by Madeline Mars | Apr 8, 2026 | Skincare Tips & Routines
Retinol irritation is one of the most common challenges in skincare, even when retinoids are highly effective. This perspective comes from Dr. Valerie Hanft, dermatologist and former Chief Medical Officer of AO2 SKIN, who continues to serve on our advisory board. A...
by Madeline Mars | Jun 5, 2025 | Skincare Tips & Routines
Your Skin Can’t Heal Without It You’ve tried acids, serums, exfoliants, and fancy oils—but your skin still feels inflamed, sensitive, or stuck in a breakout cycle. If nothing seems to truly calm your skin, you might be missing one of the most overlooked elements in...