The Story
Why it exists.
The beginning
Under Skin arrived in 2022 as Sister's Aroma's answer to anyone who'd grown tired of fragrance playing it safe. The name itself was the brief: not the scent you wear on top of yourself, but the one that lives underneath everything else, something that clings close to the skin. Gunpowder as the opening was deliberate. Aggressive. Mineral. The kind of note that announces itself before you've even decided whether you like it. The sisters wanted a fragrance that didn't wait to be discovered. It announces, and it stays.
What makes Under Skin work is the way the gunpowder doesn't recede so much as it transforms. That mineral, almost metallic edge stays present throughout, threading through the bourbon heart, softening into the caramel base without ever fully disappearing. Most smoky fragrances bury their edge; this one lets it breathe. The bourbon itself reads like a good pour, not sweet, not harsh, just warm in the way that makes a room feel smaller and more honest. Caramel in the base isn't dessert; it's the afterthought of sweetness that makes the whole thing feel lived-in rather than constructed.
The evolution
The opening hits fast and hard. Gunpowder announces itself with that sharp, mineral crack, there's no easing in, no citrus preamble, no gentle hello. Just the smell of something ignite. Within minutes, tobacco deepens the composition, adding weight and a touch of dry bitterness that keeps the gunpowder from feeling too synthetic. The hand-off to bourbon happens around the 15-minute mark, and this is where the fragrance earns its name. The whiskey warmth spreads across the skin rather than projecting outward, settling close like body heat. The caramel arrives last, hours in, wrapping everything in a sweetness that softens without negating. By hour eight, gunpowder is still there, faint, mineral, stubborn, holding on beneath the caramel like a secret nobody told you to keep.
Cultural impact
Under Skin occupies a specific corner of the niche market: for the wearer who's done with safe. The smoky-tobacco-bourbon category has peers in fragrances like Maison Martin Margiela Jazz Club and Guerlain L'Homme Idéal, but the gunpowder edge here is sharper, less forgiving. It appeals to the same sensibility that drew people to the brand's other bold-named releases, those who want fragrance to mean something, not just smell pleasant.

























