Separate spending on samples from spending on full-size bottles. Keep room to try unfamiliar styles without treating every trial as a purchase obligation.

Price per millilitre is useful for comparison, but comfort, enjoyment and realistic use matter more. Delivery charges can alter the total.

Revisit your shortlist after each test. Buying fewer, better-understood products can be more satisfying than collecting bottles quickly.

Buying guidance for comparing formats, sizes and product information without confusing marketing descriptions with confirmed facts. This article offers general guidance rather than a claim about the ingredients, stock or performance of any unfinished XASIS fragrance. Finished products should be assessed using their own specific information.