Does Spironolactone Age Your Skin? The Truth About Collagen

In this skincare Q&A, dermatologist Dr. Dray answers questions from followers about photosensitivity, sunscreen, growth factors, spironolactone, oily scalp, product expiration, and benzoyl peroxide. She discusses common causes of photosensitivity, including polymorphous light eruption (PMLE), and treatment options that may be considered depending on the diagnosis. She also explains why she does not recommend mixing different sunscreen shades, even when they come from the same brand. Other topics include whether topical growth factors provide meaningful benefits for the skin, questions about La Mer cleanser reformulations, and whether spironolactone can cause skin aging or reduce collagen. Dr. Dray also shares practical advice for managing an oily scalp, including how often to shampoo and emerging treatment options. The Q&A also covers how Dr. Dray handles skincare and makeup expiration, whether benzoyl peroxide used in the shower can still stain clothing, and practical ways to minimize the risk of fabric discoloration. In this video: 0:00 Intro 0:25 Photosensitivity: How can you prevent flare-ups? 3:23 Can you mix different shades of sunscreen? 4:49 Do topical growth factors actually work? 6:23 La Mer cleanser reformulation 8:07 Does spironolactone cause skin aging or reduce collagen? 9:37 How to manage an oily scalp 12:01 How to keep track of skincare expiration dates 15:15 Does benzoyl peroxide under the arms stain clothing? 16:03 Outro Dr. Dray's answers are intended