Salicylic acid peeling is a type of chemical peel that uses salicylic acid to exfoliate and remove the outer layer of dead skin cells from the face.
TCA peeling is a type of chemical peel that uses trichloroacetic acid (TCA) to exfoliate and remove the outer layer of dead skin cells from the face.
A derma roller is a handheld device that consists of a small roller covered in fine needles.