Alpha, beta, hydroxy acids, vitamins, and derivatives -- the words on skin care products can be confusing. This simple guide will help you understand the ingredients that may benefit your skin.

Medically reviewed by Susan Bard, MD Humectants are substances that attract and retain water molecules, keeping things moist ...

Simply put, the ingredient “breaks the bonds between…dead skin cells at the very top layer [the epidermis],” dermatologist Dr ...

All alpha-hydroxy acids can irritate your skin. You should take care when using mandelic acid. Start slow. Choose products with a low concentration for your first use of mandelic acid. Make sure ...

Packed with 9% lactic acid, this fan-favorite gently exfoliates the skin’s epidermal layer, visibly reducing pigmentation and ...

If you have a tween in your life, get-ready-with-me videos may be familiar to you. These videos saturate social media feeds, ...

All products featured on Vogue are independently ... “Glycolic acid is one of the most widely-used alpha-hydroxy acids in dermatology, well-known for its ability to exfoliate, resurface and ...

Lactic acid is the gentle exfoliant making waves in skincare. Discover why experts say it could be the key to brighter, ...

Specifically, these products include those that contain: Need a break? Play the USA TODAY Daily Crossword Puzzle. Vitamin A and its byproducts, including retinoids and retinol Alpha hydroxy acid ...