"Besides Rome, you know what else wasn't built in a day? Collagen. Or hair that grows in thicker. But if you stick with proven ingredients for the amount of time experts advise, you'll see real, long-lasting changes in your skin and hair." - Dr. Sherber shares expert tips in Redbook.

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1 month: Vitamin C is "a superhero spot fader that also prevents new ones from forming" says Dr. Sherber.