Does retinol reduce fine lines and wrinkles?

Once in this middle layer of skin, retinol helps neutralize free radicals to boost the production of elastin and collagen. This creates a "plumping" effect that reduces the appearance of fine lines, wrinkles, and enlarged pores. At the same time, retinol has an exfoliating effect on the skin's surface that can further improve texture and tone.

Does retinol cream firm your skin?

Retinol creams, especially those that you can buy without a prescription, will not firm your skin. Tretinoin, or Retin-A, however, when applied regularly will create new collagen in the support layer of the skin which can, with time, tighten it.