“a longtime favorite of both beauty editors and dermatologists for delivering prescription-level skin-firming without chapping or drying things out. Best of all, the product comes in a range of six strengths, from .01% for beginners or those with sensitive skin all the way up to .24% for hardcore retinoid users.”

Jennifer Romolini · said date not stated · reported 2026-07-03

Romolini called the serum a longtime favorite of beauty editors and dermatologists, available in six strengths.