Often prescribed as Tretinoin (e.g., Retino-A ) to unclog pores and reduce inflammation.
Most users should start with the lowest concentration to minimize "retinization"—a period of redness, peeling, and irritation. All About Retinoids / How to Get Started Guide
Used to thicken the dermis and stimulate collagen to reduce fine lines and wrinkles. 2. Choose the Right Strength & Formulation
