In 1992, Angel by Mugler dosed a sugar-scented lab material at 0.5% and rewired an industry. Wikipedia records it as the first modern gourmand perfume, built by perfumers Olivier Cresp and Yves de Chirin on patchouli, praline and red berries, and for a stretch it outsold Chanel No. 5 in France. Every caramel scent you own descends from that decision.
The material was ethyl maltol. It remains the workhorse behind most caramel notes: a white crystalline powder with an intensely sweet cotton candy smell and caramellic undertones that holds on a smelling strip for over a month, per the supplier Fraterworks. Angel's 0.5% now looks restrained. The same supplier puts Baccarat Rouge 540's dose at a generous 2%.
Notice what caramel in a bottle is not. It is rarely burnt sugar. Caramelisation happens in a pan; the perfume note recreates the smell of the finished result using maltol materials, vanilla and milky musks. The current reference is Bianco Latte by Giardini di Toscana (2019, perfumer Silvia Martinelli). Fragrantica lists caramel on top, honey and coumarin in the heart, vanilla and white musk underneath. It sat quietly for years, then went from small Italian release to cult gourmand.
The part worth saying plainly: overdose ethyl maltol and a perfume collapses into flat candy. The caramels that work give all that sweetness something to grip. In Bianco Latte it is coumarin's warm hay. In Angel it is patchouli's bitter earth. When a caramel scent smells cheap, the caramel is usually innocent. The counterweight is what is missing.
To put caramel on skin, start with Bianco, our dupe of Bianco Latte, or go darker with the toffee and caramel heart of Wanted Noir. The milky side lives in our Giardini di Toscana-inspired collection, and the wider field is ranked in our best perfume dupes UK roundup.