I own several perfumes already - how can I choose an attar that introduces a genuinely different scent experience rather than repeating what I already have?

Audit the shelf by axis, find the axis where every bottle agrees, and buy along it in the smallest size available.

Why collections converge. Nobody sets out to own five versions of one fragrance. It happens because every purchase is made by comparison with the last one. You liked something; the next thing you try is adjacent to it; the thing after that is adjacent to the adjacent one. Three years later the bottles look varied and smell related, and the tell is usually that you reach for the same two regardless of occasion. If that sounds familiar, you do not have a shopping problem - you have an unexamined shelf, and twenty minutes of examining it will do more for your next purchase than any product page can.

The audit: four axes, in writing. Line up what you own and answer four questions about the group rather than about any one bottle. One, family. What do most of them do - fresh and citrus-aromatic, florals, sweet and ambery, woody? Two, base. What do they all finish on? This is the question people have never asked and it is the most revealing: if every bottle lands on a clean musk, or every bottle lands on a sweet amber, that is your shelf's signature and you did not choose it deliberately. Three, temperature. Are they cool and bright, or warm and dark? Very few collections hold both. Four, structure. Do they all open loudly and settle, or do they all sit close and quiet? That is a question about shape rather than smell, and it is the one the format can change. Write the four answers down. Where all your bottles agree is where you are blind.

What the audit usually turns up. In my experience of answering this question, two axes come back empty far more often than the others. The first is a dark resinous base: shelves full of clean, bright or sweet fragrances rarely contain anything built on oud, leather, tobacco leaf or a resinous amber, because those materials are uncommon in the mainstream and tend to be bought on purpose rather than by accident. The second is structure: almost every bottle in a typical collection is an alcohol-based spray, which means they all behave the same way - a loud opening, a projection curve, a fade. An oil behaves differently, and that is a change you can feel from the first day.

So the honest recommendation, and it is a specific one. Nawaab, 3ml ₹399. White royal oud, sandalwood, saffron, black pepper, cardamom, aged tobacco leaf, amber, leather and white musk. Read that list against your own shelf and you will see the point: oud, aged tobacco leaf and leather are rare in mainstream spray compositions, and a composition with almost no fresh top at all is rarer still. You meet the base early, the pepper and cardamom give a dry spiced opening instead of a bright one, the saffron lights it from above, and the amber and leather carry the long middle with white musk keeping the end quiet. Whatever is on your shelf, this is very unlikely to be another version of it. It is the deepest of the four and the one I would name if somebody said the word different and meant it.

And then the three honest warnings, because this is where pages like this one usually stop. First: different and likeable are two separate questions. You have asked for the first and I can answer it from a note list. The second belongs to your own skin and a week of wearing, which is the entire argument for the 3ml and against the 12ml at ₹1,199. Second: if your shelf is already warm and dark, the different bottle is not Nawaab. It is Adaa at ₹379 - bergamot, green cardamom, jasmine sambac, white musk - which is the lightest thing we make and will be the unfamiliar one for somebody who owns five ambers. The audit exists precisely so that you do not buy the deepest bottle on the page out of a general wish for novelty. Third: depth means you need less of it. One dab at a pulse point is the dose for any of the four, two if you want it read across a dinner table, and the commonest mistake with an attar is wearing it like a spray. Do not rub it in - oil opens with warmth and rubbing crushes the top of it.

One thing I am not going to claim. That an oil is better than a spray. It is differently shaped: dabbed rather than atomised, met at conversation distance, developing with your skin's warmth rather than in a cloud. Some people prefer that and some find it too private, and neither group is wrong. All four SOSA attars are 6-8 hours on skin, longer on warm or oily skin, and that is the only wear figure we publish. We do not publish a comparison with how long a spray lasts, because no standardised test exists in this category, ours included. The attar against an eau de parfum, argued properly is the page for that question, and matching one of the four to what you already wear is the page for the opposite approach, which is finding something compatible rather than something new.

If the audit leaves you genuinely undecided, the trio of Ameeri, Nawaab and Mastani is ₹1,055 at 3ml and gives you three contrasting depths at once instead of one guess. I would only reach for it if you have read all four descriptions and still cannot tell which direction you want, because for the reader who has done the audit properly, one 3ml is usually enough to settle the question.