Best skin & hair clinic near Shaheen bagh Lush skin & hair clinic we provide A TCA (Trichloroacetic Acid) peel is a medium-depth chemical peel used to treat various skin concerns such as fine lines, sun damage, acne scars, and uneven pigmentation. It works by applying TCA to the skin, which exfoliates the outer layers, stimulating collagen production and revealing fresher, smoother skin underneath.