Dermatologist Gurveen Waraich has debunked five common skincare myths surrounding active ingredients like salicylic acid, retinoids, and glycolic acid. Contrary to popular belief, salicylic acid can be used in the morning with sunscreen, and retinoids strengthen the skin rather than thinning it. Glycolic acid is suitable for Indian skin when used correctly, and while snail mucin is hydrating, it does not significantly reduce scars or pigmentation.