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Dark underarms are not a flaw. Here is the actual science.
Friction, shaving, sweat and post-inflammatory pigmentation: what actually darkens underarm skin, what helps, and what is marketing fiction.
THE SCIENCE · 6 MIN READ
BodyOS.
Zero-shame, science-first stories about the skin nobody talks about. Plain answers, published evidence, and the mechanism behind each one.
Everything else.
ROUTINES · 5 MIN READ
Bumps, ingrowns and the post-wax drama: a survival guide.
Strawberry skin, razor bumps, ingrown hairs. Why your underarms break out after hair removal and the routine that keeps the peace.
MYTH BUSTING · 5 MIN READ
Sweat is not your enemy. Here is what actually causes odour.
Sweat is sterile. Odour is bacterial. Understanding your underarm microbiome changes how you buy, and what aluminium-free actually means.
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Start at the beginning: Sweat is not your enemy. Here is what actually causes odour.