We use cookies to count readers (Google Analytics) and to send you our newsletter (Klaviyo, if you sign up). Nothing is sold. Read our privacy notice.
Peptides get marketed as 'the gentler alternative to retinol.' That framing is misleading. They're different categories doing different jobs, and the strongest…
Tretinoin is retinoic acid. Retinol becomes retinoic acid after your skin converts it. Same destination, but the strength gap is bigger than…
Both brighten. Both fade pigmentation. They work in completely different ways — and the old internet myth that they cancel each other…
Squalane and squalene differ by one letter and a hydrogenation step. One is stable and shelf-friendly; the other oxidizes fast and shouldn't…
Cruelty-free and vegan aren't the same thing. Plenty of products are one and not the other, and the brand on the bottle…
Most college skincare advice is written by people who haven't been in a shared bathroom in twenty years. The right routine here…
Adapalene went OTC in 2016 and quietly displaced retinol for a lot of people. Both are retinoids. They are not interchangeable.
The best cleanser for oily skin isn't the most stripping one. It's the one that takes oil off without convincing your face…
Sensitive skin needs more from a moisturizer than 'gentle.' It needs ceramides in roughly the ratio your own skin makes them, humectants,…
Melasma is famously stubborn. The protocol that works is multi-active, multi-month, and built around one non-negotiable: daily SPF with iron oxides.