K-beauty may be a certified trend in the West, but in South Korea, skin care routines that include moisturizers, masks, serums, and sunscreens have always been considered as basic as brushing your ...
In serums: You should use a salicylic acid serum once a day after cleansing and toning. “Apply a few drops of the serum to your fingertips and gently press it into your skin,” Dr. Amin says. “Allow ...