However, many struggle with retinol due to the infamous "retinoid reaction"—redness and peeling that can make consistent use a challenge. We also often hear people say, "I'm not sure how to use it correctly." That's why we spoke with Dr. Masatoshi Takemura, the supervising physician for the online skin treatment service '
ANS.,' to learn how to unlock the full anti-aging potential of retinol.