Retinoids

What Is Retin-A?Retin-A (tretinoin) belongs to a class of compounds called retinoids, which are derivatives of vitamin A. It was first approved by the FDA in 1971 for the [...]

Why Sun-Damaged Skin Needs Special AttentionYears of sun exposure leave lasting marks on skin. Dark spots, fine lines, rough texture, and uneven tone are all signs that UV [...]