increasing the production of new collagen. They can also help fade uneven pigmentation and reverse early sun damage.
Stronger retinoids are available only with a prescription. In 1996 the FDA approved Renova (tretinoin) as the first drug to treat wrinkles. Although retinoids do work, topical estrogen creams for the face are not especially effective, says Donofrio.
3. Certain exfoliants. Two chemical exfoliants found in creams and gels, alpha hydroxy acids and beta hydroxy acids, can also help the skin repair itself. They can be used as a substitute for stronger retinoids if you find your skin becomes irritated. One common form is called glycolic acid. Beta hydroxy acid can be less irritating; the most widely used is salicylic acid.
4. Although they may be helpful for other reasons, there is no scientific evidence that taking vitamins or minerals, including omega-3 fatty acids, which is found in fatty fish such as tuna, salmon, and other foods, help your skin stay youthful, says Donofrio.
Here are some additional skin care and anti-aging tips from
