Can Powder Sunscreen Really Protect Your Skin? | Dermatologist

Dermatologist Dr. Dray answers skincare questions from her followers in this Q&A video, covering double chin treatments, powder sunscreen, spironolactone side effects, tretinoin and copper peptides, UV-blocking umbrellas, and a new ingredient for treating hyperpigmentation. Can facial exercises reduce a double chin? Are powder sunscreens effective enough to protect your skin from UV radiation? Dr. Dray discusses treatment options for submental fat, explains the limitations of powder sunscreens, and answers questions about breast tenderness with topical spironolactone and potassium monitoring with oral spironolactone. She also shares her experience with copper peptide serums, explains how UV-blocking umbrellas can help protect your skin from the sun, and reviews the emerging evidence for methyloxetanecarbamido thiazolyl resorcinol (KT-939), a topical ingredient being investigated for skin brightening and hyperpigmentation. Watch for evidence-based skincare advice from a dermatologist, practical sun protection tips, and insights into ingredients and treatments for common skin concerns. TIMESTAMPS 0:00 Intro 0:08 Can Facial Exercises Reduce a Double Chin? 1:32 Are Powder Sunscreens Effective for Sun Protection? 2:27 Can Topical Spironolactone Cause Breast Tenderness? 2:41 Do You Need Regular Potassium Testing With Oral Spironolactone? 3:25 Why Can Copper Peptides Cause Dryness When Tretinoin Doesn't? 4:00 Do UV-Blocking Umbrellas Protect Your Skin From the Sun? 5:18 Methylo