Retinoids, vitamin C, niacinamide, peptides, sunscreen. The actives that have evidence, the actives that do not, and routine sequencing.
How the four generations of prescription retinoids differ in RAR selectivity, photoaging vs acne FDA approvals, irritation, lotion vehicles (Altreno, Arazlo), and BPO.
FDA added bemotrizinol to the OTC sunscreen monograph in June 2026. What GRASE up to 6 percent means, when US products can actually appear, and how this changes the…
Is eye cream different from face moisturizer? An evidence-first look at eyelid skin, actives, safety reports, and when a separate eye product is worth it.
Crepey skin evidence ladder: what thins skin, what topical retinoids and body serums change, hyperdiluted Radiesse, RF microneedling, and the claims that do not hold up.
Sleep wrinkles explained: how compression lines differ from expression wrinkles, what the one controlled study found, and whether silk, copper, or back sleeping is worth…
The one face-yoga RCT improved cheek fullness and estimated age in 16 completers - but fold, marionette, and lip endpoints did not move. Muscle-tone data, dropout, and…
One comparative RCT with no untreated control, roller physiology data, and the claims with no human evidence at all. Bruising, PIH risk in darker skin, and better…
Snail mucin has real but modest human trial evidence: split-face RCT data, an acne combination trial, and industry funding. Rated evidence, dust-mite allergy risk, and…
Dermatology's beef-tallow problem is an evidence vacuum: no controlled trials, a sebum claim that fails lipid chemistry, and financially-biased promotion. What tallow is…
Bakuchiol is the plant-derived retinol alternative with one head-to-head 12-week trial behind it. Exact numbers, tolerability data, combination use, and what pregnancy…