It would be nice if we could just eat and drink our way to perfect skin: a bite of salmon here, a glass or two or water there. “Unfortunately when you ingest things orally, they don’t necessarily go to the skin to give benefits,” says Dr. Kucy Pon, a Toronto-based dermatologist. “With regard to collagen-based drinks or food, there is not a lot of data in the medical literature to know whether there are true benefits to the skin.” Takeaway: Apply a topical product in addition to any supplements you might be taking.

If you do just one thing in your…


Exfoliate. “A healthy rate of skin-cell renewal is one of the key components of radiant and even-toned skin,” says New York dermatologist Dr. Dennis Gross, who recommends the daily use of alpha- or beta-hydroxy acids.


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“Scientific research shows that collagen and elastin production starts to decline in quantity and quality when we reach the age of 30,” he explains. A retinoid will stimulate new cell production and “inhibit the body’s natural enzymes that break down collagen.”


Add peptides into your routine. “They stimulate collagen in a very unique way,” says Gross. “The more receptors you put to work, the more firming you’ll see. If your concern is wrinkles or laxity, then it’s an important ingredient to look for in your products.” (See here for more info on why they are key.) 

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Skin is drier now than ever before. Use an oil, like Estée Lauder Advanced Night Repair Intensive Recovery Ampoules ($135 for 60), to hydrate and prevent water loss.