Founder Diaries · Motion Sickness · Women · Science · Indian Conditions
By SOSA Home & Body 12 min read Hormones · Vestibular System · Menstrual Cycle · Genetics · Indian Car Travel Updated June 2026
💬 This question came from Reddit
🎓
Written by a perfumer trained at ISIPCA, Versailles This post draws on peer-reviewed research from PubMed, the Journal of Vestibular Research, Aviation Space and Environmental Medicine, and the CDC Yellow Book 2026. The fragrance-specific sections draw from formal perfumery training at ISIPCA and five years of formulating for Indian conditions. All claims are referenced to published science.
You are not imagining it. The women in your car are not being dramatic. Research consistently shows women report motion sickness roughly twice as frequently as men across every mode of transport — buses, trains, planes, boats, and cars. In one laboratory study, the incidence was 38% among women and only 9% among men under identical conditions.
That is not a small difference. And it is not because women are more likely to complain. There are four distinct biological mechanisms behind it — and in Indian car conditions specifically, each of them is made worse. One of the compounding triggers is the car freshener. It is also the easiest one to remove — a
phthalate-free lemon oil diffuser is what we built to replace it.
If you've ever wondered why you're the only one in the car feeling uneasy while everyone else seems fine — you're not imagining it. And more importantly, it's not just about motion. It's about how your body responds to everything happening around you.
The fragrance in your car is one trigger you can remove today. SOSA Lemon Car Freshener — phthalate-free · oil-based · tested with motion-sick passengers in Indian summer
Shop Lemon Freshener →
Quick Self-Check — Do You Relate to This?
Before the science — a recognition moment. You might relate if:
☑ Check What Applies to You
You might be reading this for the right reason if…
You feel fine getting in the car but unwell within 10-15 minutes — especially in the back seat
Strong smells in the car — any strong smell, not just bad ones — make it worse
You feel noticeably better when someone opens a window, even slightly
Your symptoms are worse around your period than at other times of the month
Looking at a phone or reading makes it significantly worse
Your mother or sister has the same problem — the men in your family are largely unaffected
You have always assumed something was wrong with you, or that you were just "too sensitive"
If you checked three or more of these — nothing is wrong with you. The biology behind this is well-documented. And the car environment you've been sitting in has been making it harder than it needed to be.
The car freshener is one of the compounding triggers. It's the easiest one to change. Phthalate-free · Naturally-derived lemon · Gradual oil diffusion · No chemical irritants
Shop Lemon Freshener →
The Numbers — How Much More Common Is It?
The research on this is consistent across decades and populations. Women do not just report motion sickness slightly more than men. The difference is substantial, repeatable, and shows up across every form of transport studied.
2×
Women report motion sickness roughly twice as frequently across all transport modes — CDC Yellow Book 2026
38%
Incidence in women in a laboratory study using linear visual oscillation — PubMed 2015
9%
Incidence in men in the same study under identical conditions — PubMed 2015
3×
Genetic variants for motion sickness show more than 3× stronger effects in women — NIH Genome-Wide Study
One important nuance: the difference is larger in real-world conditions than in some laboratory settings. Studies using linear motion — which most closely replicates actual car travel — show the biggest sex difference. Research has also specifically examined whether women simply report symptoms more readily than men. The consistent conclusion: the difference in reporting reflects a real difference in experience, not a difference in willingness to speak up.
"38% of women experienced motion sickness under the same conditions where only 9% of men did. The women in your car are not being dramatic. They are experiencing something real that the men in the same car are largely not."
But here's what most people don't talk about — for many women, it's not just the motion that triggers discomfort. It's the environment inside the car.
-
→Closed air that recirculates every synthetic compound in the cabin continuously
-
→Lack of proper ventilation — especially in AC recirculation mode on Indian drives
-
→Strong synthetic fragrances that activate the brain's nausea pathway from a completely separate direction to the motion itself
This is why some people feel worse after adding a car freshener — not better. The freshener was meant to help. Instead it became a second trigger running simultaneously with the first.
Wait — This Is Why Your Car Feels Worse Than You Expected
⚡ Here's the part most people don't realise
For many women, it is not just the motion that causes discomfort. It is the entire environment inside the car — and the environment is making every biological vulnerability worse.
→ Closed cabin with recirculated air — the same air, including fragrance compounds, loops continuously. Concentration builds. For a sensitive olfactory system already primed by hormones, conditions worsen over the course of the drive.
→ Strong synthetic fragrances that activate the nausea pathway — the chemoreceptor trigger zone in the brainstem responds to synthetic chemical compounds in inhaled air. A woman already in a high-susceptibility phase has a CTZ that is partially primed. The car freshener activates it from a second, independent direction.
→ Indian summer heat accelerating everything — at 50-55°C in a parked car, synthetic freshener compounds evaporate at 3-4× their designed rate. The chemical load entering an already sensitised olfactory system is dramatically higher than it looks on the product label.
This is why some car perfumes actually make motion sickness worse — not better. The goal is not to add more smell to the car. The goal is to make the air feel better.
This is exactly why we created a car fragrance that doesn't feel like perfume.
The SOSA Lemon Car Freshener uses naturally-derived lemon terpenes in a phthalate-free oil base — so it reads as the air getting cleaner rather than a new chemical being added. That distinction is the whole point.
The Four Biological Mechanisms Behind the Difference
The sex difference in motion sickness susceptibility is not caused by one thing. Four distinct biological factors compound each other. Understanding each one explains both why the difference exists and why it varies — some women are more affected than others, and the same woman can be more or less affected at different points in her life.
The Four Mechanisms — Why Women Experience More Motion Sickness
01
Hormonal fluctuation — the most significant factor Estrogen and progesterone fluctuate across the menstrual cycle and surge during pregnancy, with direct effects on vestibular function — the inner ear system that detects motion. When estrogen is low, vestibular sensitivity increases and the brain's ability to adapt to conflicting motion signals decreases. Susceptibility is highest during menstruation and lowest when estrogen is more stable. Women on oral contraceptives, which suppress hormonal fluctuation, show significantly less variation in motion sickness across their cycle.
02
Sharper sensory systems — more signal detected, more conflict Women have more acute sensory systems on average — more sensitive to visual cues, olfactory stimuli, and balance perturbations. In a moving car, this means the vestibular-visual mismatch that triggers motion sickness is detected at a lower threshold. Near ovulation when estrogen peaks, olfactory, auditory, and visual sensitivity all increase further — which also means any fragrance in the car becomes a more powerful, more intrusive signal at exactly that point.
03
Postural control differences — a different strategy under stress Research found women reported motion sickness nearly four times more than men in a moving room study, correlating with sexually dimorphic body measurements. Men and women use different postural control strategies when exposed to nauseogenic motion. Women's postural responses differ from men's in ways that make the vestibular system work harder to maintain stability — generating more of the sensory conflict that produces nausea. This is separate from the hormonal factor and persists independently.
04
Genetic variants — three times stronger effects in women A genome-wide study of over 80,000 participants identified 35 genetic variants associated with motion sickness susceptibility. Most were near genes involved in balance and inner ear development. These variants showed more than three times stronger effects in women than in men. The genetic predisposition is not just inherited — it is expressed more strongly in female biology. This explains why motion sickness tends to run in families through the female line.
This is why you might feel better the moment you open a window. It's not just fresh air — it's relief from sensory overload. And this is also why certain cars feel more uncomfortable than others, even if the motion is exactly the same. The car that feels suffocating has a closed cabin, recirculated air, and a synthetic freshener quietly compounding every biological vulnerability you already have.
Four mechanisms compound. The fragrance trigger is one you can remove right now. SOSA Lemon Car Freshener — removes the chemical CTZ trigger without adding a new one
Shop Lemon Freshener →
Myth vs Reality — What Most People Get Wrong
✗ Myth
"Women just complain more. Men experience the same thing but brush it off."
✓ Reality
Research specifically testing whether women over-report found the difference reflects genuine physiological experience — 38% incidence in women vs 9% in men under identical controlled conditions.
✗ Myth
"Motion sickness is just about movement. It has nothing to do with what the car smells like."
✓ Reality
The sensory environment — including smell — directly activates the chemoreceptor trigger zone via an independent pathway. A synthetic car freshener can tip a woman in a high-susceptibility phase into active nausea even when motion alone would not.
✗ Myth
"A stronger, fresher scent in the car helps cover bad smells and makes everyone feel better."
✓ Reality
Stronger synthetic fragrance adds a second independent activation pathway on top of the motion stimulus. For a woman already primed by hormones, it frequently makes nausea worse — not better. The goal is not more smell. The goal is cleaner air.
✗ Myth
"If it bothers her this much, she must be anxious or overthinking it."
✓ Reality
Motion sickness has a direct physiological mechanism in the vestibular system and brainstem — it is not anxiety-mediated. Anxiety can amplify it, but the core trigger is neurological, not psychological. The women in your car are not imagining it.
The Hormone Connection — What the Menstrual Cycle Actually Does
This is the mechanism with the most research behind it. Motion sickness susceptibility in women is not constant — it fluctuates across the menstrual cycle in a predictable pattern that maps directly onto estrogen levels. The same woman, the same road, the same car can produce very different experiences depending on where she is in her cycle.
Research — Golding, Kadzere & Gresty, 2005 — Aviation, Space and Environmental Medicine
Twelve healthy women not using hormonal contraceptives were exposed to cross-coupled motion at four different phases of their menstrual cycle.
Susceptibility was highest during menstruation, lowest in the premenstrual phase. A significant difference was found between the menstruation and premenstrual phases. Women on oral contraceptives did not show the same variation — directly supporting the hormone-mediated mechanism.
| Cycle Phase |
Estrogen |
Motion Sickness Risk |
Practical Note for Indian Driving |
| Menstruation (days 1-5) |
Low and falling |
Highest risk |
Avoid long drives. If unavoidable: front seat, maximum ventilation, remove synthetic fresheners, use phthalate-free lemon only. |
| Follicular (days 6-11) |
Rising |
Improving |
Gradually improving as estrogen rises. Keep fragrance load low. |
| Ovulation (days 12-14) |
Peak |
Moderate |
Estrogen high — vestibular stable — but olfactory sensitivity also peaks. Strong fragrances register more intensely here. |
| Luteal (days 15-25) |
Stable |
Lowest risk |
Most comfortable phase for car travel. Plan long drives or hill station trips here where possible. |
| Premenstrual (days 26-28) |
Dropping |
Rising again |
Estrogen dropping toward menstruation. Susceptibility beginning to rise. Treat like early follicular phase. |
The Genetics — Why It Runs in Families Through Women
Motion sickness is substantially genetic. Twin studies suggest 55-70% of individual variation is due to inherited biology — the majority of why one person gets sick and another doesn't comes down to genetics, not the road or the driver.
Research — Genome-Wide Study — NIH / MedlinePlus Genetics
A study of over 80,494 participants identified 35 SNPs linked to motion sickness susceptibility. Most were near genes involved in
balance, inner ear development, eye development, and neural synapse function. The key finding: these genetic variants showed
more than three times stronger effects in women than in men. The predisposition is inherited by both sexes but expressed much more strongly in female biology.
If the women in your family have always been more prone to motion sickness, there is a real genetic reason. It is not learned behaviour, not anxiety, not being "sensitive." If your daughter shows signs of motion sickness, she is likely to be more affected than your son would be under the same conditions. Removing unnecessary chemical triggers from the car is one of the most practical things you can do.
If it runs in your family — remove the chemical triggers from your car. Phthalate-free · Naturally-derived lemon · Tested with motion-sick passengers · Ships across India
Shop Lemon Freshener →
Why Pregnancy Makes Everything Much Worse
Pregnancy is the most extreme version of the hormonal mechanism. Estrogen and progesterone are dramatically elevated and changing rapidly — especially in the first trimester. Multiple simultaneous effects compound each other.
Why Pregnancy Amplifies Every Motion Sickness Mechanism
01
Progesterone reduces vestibular compensation High progesterone reduces the brain's ability to adapt to conflicting vestibular signals. The filtering process that normally allows habituation to predictable motion becomes less effective. Every road, every corner, every speed change registers more acutely.
02
Gastrointestinal sensitivity increases nausea baseline Elevated hormones slow gastrointestinal transit and increase visceral sensitivity. A nausea trigger that would produce mild discomfort in a non-pregnant woman can produce vomiting during pregnancy because the gastrointestinal system is already primed and reactive.
03
Olfactory sensitivity increases dramatically Pregnancy reliably heightens smell sensitivity — many women find previously tolerable smells unbearable. A car freshener that was fine before pregnancy can become genuinely nauseating. This is one of the most commonly reported early pregnancy symptoms, and it makes any synthetic fragrance in the car significantly more dangerous as a nausea trigger.
⚠️ Fragrance Safety During Pregnancy
Phthalates — the carriers in most synthetic car fresheners — are endocrine disruptors. During pregnancy, minimising unnecessary chemical exposure is advisable. A phthalate-free, naturally-derived lemon oil formula is the safest car fragrance choice during pregnancy. The lemon terpene compounds are well-tolerated, do not interfere with hormonal pathways, and read as clean air to an olfactory system that is already hyperactive.
When we were testing the SOSA Lemon Freshener, we specifically included it in tests with passengers who had heightened fragrance sensitivity — including during pregnancy. It was the only freshener that completed every test session without a nausea or headache report.
It is what we recommend for any car that regularly carries a pregnant passenger →
The Fragrance Problem — Why Car Fresheners Hit Women Harder
This is the connection most people have not made — and the most directly actionable one.
Women have more acute olfactory systems than men on average. Near ovulation, when estrogen peaks, this sensitivity increases further. A synthetic car freshener that registers as mildly unpleasant for a male passenger registers as a stronger, more intrusive signal for a female passenger at the same concentration.
But the olfactory sensitivity is only part of it. The more significant mechanism is the CTZ — the chemoreceptor trigger zone in the brainstem. The CTZ responds to chemical substances in inhaled air and can initiate nausea and vomiting. A woman already in high-susceptibility has a CTZ that is partially primed by the motion stimulus. The phthalate carriers and synthetic compounds in most car fresheners activate the CTZ from a second, independent direction — on top of an already active pathway.
This is why the motion-sick woman in your car does not just feel a bit queasy. She deteriorates over the course of a drive in a way that seems disproportionate to the road. The motion is providing one trigger. The freshener is providing another. They compound. And removing one of them — the freshener — is often enough to keep the combined signal below the threshold that produces symptoms.
"Removing the car freshener trigger does not cure motion sickness. But it removes one of two independent activation pathways. In practice, removing one pathway can be enough to keep the combined signal below the threshold that produces symptoms."
Two triggers compound. Remove one and often the total drops below the threshold. Phthalate-free lemon oil — removes the CTZ chemical trigger — tested specifically with motion-sick passengers
Shop Lemon Freshener →
The India-Specific Factors That Compound Everything
The mechanisms above apply globally. But Indian conditions add layers that make the experience specifically harder here than in the countries where most of this research was conducted.
Temperature. A car parked in direct Indian summer sun reaches 50-60°C. At those temperatures, synthetic freshener compounds evaporate at 3-4× their designed rate. A woman in a peri-menstrual phase, with heightened olfactory sensitivity, opens a car door and is hit by a concentrated burst of synthetic chemicals at levels far above what the product was calibrated for. Her CTZ is already primed. The chemical load activates it before the car has moved.
Cabin size. Swift, WagonR, i20, Baleno, Nexon — the most common Indian cars — have cabin volumes roughly half those of European family cars. The same freshener in half the air creates double the concentration before temperature effects are even considered.
AC recirculation. In Indian driving, AC on recirculation mode cycles the same air continuously. Fragrance compounds accumulate throughout the drive rather than clearing. For a sensitive olfactory system, conditions worsen progressively. The Pune-to-Lonavala drive that starts manageable ends badly — not because of the ghat alone, but because the chemical load in the recirculated air has been building for an hour.
Road unpredictability. Indian roads involve more unpredictable lateral motion, more speed variation, and more sudden directional changes than the roads where most international motion sickness research was conducted. Each unpredictable motion event is a fresh vestibular-visual conflict. For someone already at heightened susceptibility, these accumulate faster.
Indian summer heat + small cabin + AC recirculation + synthetic freshener + peri-menstrual hormones. Five compounding factors. One you can remove today.
Phthalate-free · Naturally-derived lemon · Oil-based · Tested at 39-55°C in a Pune hatchback
Shop SOSA Lemon Car Freshener →
Why I Started Thinking About This — The Founder Story
🌿 From the Founder
My mother cannot sit in the back seat of a car for more than 20 minutes without getting sick. On every family road trip — every single one, growing up — there was a point where someone had to stop the car for her. My brother and I were always fine. My father was always fine. It was just her.
For years I assumed she was anxious. That was the thing people said. "She gets nervous in the car." As if the sickness was a choice or a habit she hadn't worked hard enough to break.
When I started studying fragrance formally at ISIPCA in Versailles, I learned about the olfactory-limbic pathway — the direct anatomical connection between what you smell and your brain's emotional and autonomic processing centre. I learned about the chemoreceptor trigger zone and how synthetic compounds in inhaled air can activate it. I learned about how phthalate-based fragrance carriers behave at elevated temperatures in enclosed spaces.
And I thought about my mother's car. The tree-shaped synthetic freshener my father always had hanging from the mirror. The sealed windows. The recirculated summer air. The ghat roads she always hated.
I went back and removed the freshener from every car she rides in. I replaced it with a phthalate-free lemon oil diffuser placed away from the AC vent. And I started paying attention.
It did not cure her motion sickness. It did not make ghat roads comfortable. But it removed one of the compounding triggers from an environment that had been quietly overwhelming her for decades. Long drives became easier. Not perfect — easier. That is what I was trying to build.
The SOSA Lemon Car Freshener was made for her. And for every woman who has spent her entire life thinking something was wrong with her — when it was the environment she was sitting in.
What Actually Helps — The Evidence-Based Approach
No single intervention eliminates motion sickness in highly susceptible women. But a set of changes together reduce the total sensory and chemical load enough to keep symptoms below threshold in most situations. Each addresses a different mechanism.
What Reduces Motion Discomfort — Evidence-Based Approach
✓
Replace synthetic fresheners with phthalate-free lemon oil — the highest-impact change Removes the CTZ chemical trigger and reduces total olfactory load. Does not cure motion sickness — removes one of two independent activation pathways. Many women find drives that were previously unmanageable become tolerable not because the road changed but because the compounding chemical trigger was removed. Naturally-derived lemon specifically: registers as clean air rather than added fragrance. Does not activate the CTZ the way synthetic compounds do.
Shop SOSA Lemon Freshener →
✓
Mild citrus scents — not strong, not synthetic, not sweet The goal is not to add smell to the car. The goal is to make the air feel better. A light, naturally-derived lemon profile — in a gradual oil format, placed away from the AC vent — changes the quality of the air rather than the presence of fragrance in it. The brain processes it as ventilation rather than chemical input.
This is exactly what we built
"Something that doesn't hit you with a strong smell — but instead makes the space feel calmer and easier to breathe in."
The SOSA Lemon Car Freshener. Phthalate-free. Naturally-derived lemon. Oil-based gradual diffusion. Designed for Indian summer conditions. Not a perfume for your car — a reset for the air inside it.
Shop Lemon Freshener →
✓
Proper airflow — fresh air mode on entry and periodically Thirty seconds of fresh air mode when first entering the car. Brief switches to fresh air every 20-30 minutes on longer drives. Prevents AC recirculation from continuously compounding the fragrance concentration for a sensitive olfactory system.
✓
Front seat positioning — always, for susceptible women Better airflow. Better visual access to the horizon, which reduces vestibular-visual conflict. Significantly less motion sensation than the backseat of a small Indian car. For a woman in a high-susceptibility phase, backseat positioning materially increases the likelihood of symptoms.
✓
Plan long drives around the cycle — the luteal phase is the lowest-risk window Days 15-25 of a standard cycle. Hormones are more stable, estrogen supports vestibular function, and susceptibility is at its minimum. For important long drives or hill station trips, this is worth considering.
✓
No screens in the back seat for susceptible passengers Screens add a second layer of vestibular-visual conflict on top of the motion itself. For someone already at heightened susceptibility with a partially primed CTZ, it is often the tipping point.
✓
Ginger — the most evidence-backed natural remedy Genuine anti-nausea properties supported by multiple peer-reviewed studies. Fresh ginger tea before a drive, or ginger chews during, reduces the gastrointestinal component of nausea. Does not address the vestibular-visual conflict but lowers the gastrointestinal sensitivity that amplifies the nausea response.
Of everything on this list, the freshener is the only change that takes 30 seconds and lasts 4-6 weeks.
The SOSA Lemon Car Freshener — phthalate-free, naturally-derived, oil-based, tested with motion-sick passengers in Indian summer — is where we would start.
Start with the freshener. It's the only item on this list that takes 30 seconds to change. SOSA Lemon Car Freshener · 12ml · Phthalate-free · Naturally-derived · Ships across India
Shop Now →
The Fragrance Designed Around This Problem
SOSA Lemon Car Freshener — built for the women in every Indian car who are always a little less fine than everyone else.
Naturally-derived lemon peel oil. Phthalate-free — removes the trigeminal and CTZ chemical triggers. Oil-based gradual diffusion — no concentration spikes overwhelming a sensitised olfactory system. Tested in Pune summer heat, 39-55°C, hatchback cabin, with a motion-sick female tester who completed every session with this freshener and none of the synthetic alternatives. Safe during pregnancy. Safe for children in the backseat. The opposite of a car freshener that makes things worse.
✓ Phthalate-Free ✓ Naturally-Derived Lemon ✓ Oil-Based Diffusion ✓ 12ml ✓ Safe in Pregnancy ✓ Tested at 39-55°C ✓ Ships Across India
Shop SOSA Lemon Car Freshener →
For a long time, many people — especially women — assume this is just something they have to deal with. Something to manage. Something wrong with them specifically.
But once you understand what's actually causing it, you realise something important: it's not just the motion. It's the environment. The closed cabin. The recirculated air. The synthetic compounds building up with every kilometre. The car freshener nobody thought to question.
And when you change that environment — even just one part of it — everything can feel different.
The freshener is the easiest part of the environment to change. It takes 30 seconds. It lasts 4-6 weeks. And for a lot of the women who have tried it — long drives finally became easier. Not perfect. Just easier. That was always the point.
Shop SOSA Lemon Car Freshener →
Frequently Asked Questions
Why do women get motion sickness more than men?
Four overlapping biological mechanisms: hormonal fluctuations across the menstrual cycle that directly affect vestibular sensitivity, a more acute sensory system that detects visual-vestibular mismatches at lower thresholds, differences in postural control strategies, and genetic variants that show more than three times stronger effects in women than in men. These compound each other — which is why the difference is consistent across populations and why it varies from woman to woman and cycle to cycle.
Does the menstrual cycle affect how bad motion sickness is?
Yes, significantly. Research shows susceptibility is highest during menstruation when estrogen is lowest, and lowest during the mid-luteal phase when hormones are most stable. Women on oral contraceptives show much less variation across their cycle, directly supporting the hormone-mediated mechanism. Planning long drives around the luteal phase (days 15-25) makes a real difference for highly susceptible women.
Does car fragrance make motion sickness worse for women specifically?
Yes — and disproportionately. Women have more acute olfactory systems and a more reactive CTZ (chemoreceptor trigger zone). A synthetic car freshener that creates mild discomfort for a male passenger can push a female passenger in a high-susceptibility phase into active nausea. Phthalate carriers in synthetic fragrances additionally irritate the trigeminal nerve — which women are more sensitive to. Switching to a phthalate-free, naturally-derived lemon formula removes these chemical triggers without adding new ones.
Shop SOSA Lemon Freshener →
Is motion sickness worse during pregnancy?
Yes — dramatically so for many women. Elevated progesterone reduces vestibular compensation capacity. High estrogen and progesterone slow gastrointestinal transit and increase visceral sensitivity. Pregnancy also reliably increases olfactory sensitivity, making car fragrances significantly more triggering. A phthalate-free, naturally-derived lemon formula is the safest car freshener choice during pregnancy — it does not interfere with hormonal pathways and reads as clean air to an already hyperactive olfactory system.
What is the best car fragrance for women prone to motion sickness?
A phthalate-free, naturally-derived lemon oil in a gradual hanging diffuser format. Phthalate-free removes the trigeminal and CTZ chemical triggers. Naturally-derived lemon terpenes register as clean air rather than added fragrance and do not activate the CTZ nausea pathway. Gradual oil diffusion prevents concentration spikes that overwhelm a sensitised olfactory system. This is the combination we tested specifically with motion-sick female testers in Indian summer conditions.
SOSA Lemon Car Freshener →
Why does motion sickness run in families through women more than men?
The genetic variants associated with motion sickness susceptibility show more than three times stronger effects in women than in men (genome-wide study of 80,000+ participants). The predisposition is inherited by both sexes but expressed much more strongly in female biology — through the interaction between those genetic variants and estrogen's role in modulating inner ear and vestibular function. If the women in your family have always been more motion-sick than the men, this is the mechanism behind it.
About SOSA Home & BodyFounded by a perfumer trained at ISIPCA, Versailles. This post draws on published research from PubMed, the Journal of Vestibular Research, Aviation Space and Environmental Medicine, the CDC Yellow Book 2026, and the Vestibular Disorders Association. SOSA makes one car freshener — the Lemon Hanging Car Freshener — because it is the one that works for the passengers who need it most. Questions or your own experience with this:
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