How to Use Vitamin A to Treat Acne

https://liaandrews.com/skin
Vitamin A (retinol) is highly effective for acne, but can easily cause irritation. Dr. Lia Andrews, DAOM, L.Ac. demonstrates how Vitamin A can be used as a mask to avoid irritation; a method she learned from 302 Professional Skincare.
Products used: 302 Purity Rx, 302 A-Boost, 302 Sensitive Cleanser, 302 Calming Mist, and 302 Remedy Rx.

Source: How to Use Vitamin A to Treat Acne