Retinal vs Retinol: What One Conversion Step Buys You
Retinal sits one enzyme step from retinoic acid; retinol sits two. Here is what that actually buys you in speed, strength, and irritation, per the clinical data.
June 7, 2026 · Maya Chen
Tag
#anti aging
Every article tagged anti aging, newest first.
-
product-science -
product-science NAD+ Skincare Has a Precursor Problem
NAD+ creams are everywhere, but the molecule is too large and unstable to absorb through skin. What most formulas actually contain, and what the evidence shows.
June 5, 2026 · Maya Chen
-
product-science Bakuchiol vs retinol: what the clinical trials actually show
Dhaliwal's 2019 trial put 0.5% bakuchiol head-to-head with 0.5% retinol over 12 weeks. The result, the methodology, and where the marketing copy breaks.
May 15, 2026 · Maya Chen
-
product-science Retinyl palmitate: does pro-retinol eye cream actually work?
Pro-retinol eye creams are everywhere. The conversion math from retinyl palmitate to retinoic acid says they barely qualify as retinoids at all.
May 14, 2026 · Maya Chen
-
product-science What peptides actually do in your moisturizer (and don't)
Peptides are sold as 'Botox in a bottle', but the evidence base is thinner than for retinoids. Here is what each class actually does on real skin.
May 7, 2026 · Maya Chen