receipts, not reviews · nothing ranked by who pays
Most skincare content is advertising in a lab coat. This is the opposite: evidence, doses, prices per unit — and what we'd skip.
Product X-ray
Pick an active: the dose that works, the watch-outs, how long it honestly takes, and the price per unit of it.
Label decoder
Paste or scan an INCI list. We name the actives we recognise, what each does, who says so — and what we can't read.
Not for you
Claim check, and what we don't know
Claim check
A product flaunting a hero active at a stated % is making an implicit claim. We check that dose against the concentration the evidence leans on, and back it with the paper.
3 of 8 products that state a Retinol dose sit below the 0.3% the evidence leans on.
38% below the effective dose · Dermatology consensusAlpha-Arbutin2 of 10 products that state an Alpha-Arbutin dose sit below the 2% the evidence leans on.
20% below the effective dose · Dermatology consensusNiacinamide6 of 32 products that state a Niacinamide dose sit below the 5% the evidence leans on.
19% below the effective dose · Dermatology consensusWhat the derms say
Not our opinion, not a paid panel: the peer-reviewed record for each active, every paper with its PMID.