Tretinoin + Sweet Chemistry: The Duo That Kept My Skin Barrier Happy This Year

Tretinoin + Sweet Chemistry: The Duo That Kept My Skin Barrier Happy This Year

Brian Ellingwood's barrier-first tretinoin routine.




Demystifying Cosmetics | From L'Oréal Labs to Indie Beauty
Beauty Podcasts & interviews

Demystifying Cosmetics | From L'Oréal Labs to Indie Beauty

The real cost of formulation with Alec Batis

Best of the Beauty Closet: 20 Products We Tried (and Loved) in January 2026
Beauty

Best of the Beauty Closet: 20 Products We Tried (and Loved) in January 2026

Tested, tried, and genuinely loved by the Cosmo beauty team.