The Archive
Reporting, comparisons, and field notes — newest first.
exfoliants-and-brightening
The label says 'exfoliant.' The ingredient list says glycolic acid or salicylic acid. But what it doesn't say — pH, true concentration, and delivery system —
·10 min read
actives-and-treatments
Not all retinol is equal — and starting too strong is the most common mistake. Here's how to match concentration to where your skin actually is right now.
·9 min read
actives-and-treatments
K-beauty and Western skincare overlap more than you'd think — but the formulation philosophies diverge in ways that matter. Here's how the ingredient decks and
·9 min read
actives-and-treatments
Before you swap a $182 serum for a $18 'dupe,' read the ingredient list. We broke down the INCI decks on the most-viral vitamin C comparisons to show you
·9 min read
actives-and-treatments
Two forms of vitamin A, one decision. Here's how retinaldehyde and retinol actually differ on the ingredient deck — and which one belongs in your routine right
·9 min read
