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Dear 53 and Beauty Overwhelmed, This is by far the most common of all the questions I'm asked as a beauty editor. And I get it: With the sheer volume and range of skin care products — not to mention ...

“Tretinoin works by influencing the way skin cells grow and shed, which makes it an effective treatment for a range of skin issues, including acne, wrinkles, hyperpigmentation, and sun damage,” ...

Products containing lactic acid for home use are usually mild, with concentrations of 10% or less. Products containing more than 10–15% require professional application. This article discusses what ...