Summary:
- The article examines the viral TikTok trend of "skin cycling"—a dermatological regimen involving the rotation of active ingredients like retinoids and chemical exfoliants with recovery nights.
- It provides a scientific perspective from board-certified dermatologists, explaining the physiological mechanism of how controlled application of actives can reduce skin irritation while promoting cellular turnover.
- The piece serves as a critical evaluation of social media health trends, distinguishing between anecdotal skincare advice and evidence-based dermatological practices.