Glycolic acid and salicylic acid are two popular skin care ingredients. They’re available in many over-the-counter (OTC) products, including facial cleansers, serums, and toners. Both ingredients can ...

Dark spots, sun spots, melasma — whatever form it takes, hyperpigmentation can be one of the hardest skin concerns to address. Left alone, it can take months to fade (if that) and be difficult to ...

The molecule polyglutamic acid has been known for more than 80 years, according to a 2014 study. But researchers are continuing to explore its many potential benefits. The same study above showed that ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

A person wearing black gloves paints a translucent paste on the face of a person who lies back in a chair. Chemical peels are a popular skin-care treatment with a growing market. Credit: Alamy ...

We may earn commission from links on this page, but we only recommend products we love. Promise. I am a CeraVe girlie through and through, but one of my all-time fave products from the brand has got ...

Hyaluronic acid, or hyaluronan, is a substance naturally found in your body, including the eyes, skin, and joints. Hyaluronic acid is popular in skin care routines, but this substance can be used to ...

Azelaic acid is a type of acid that's found in some grains like rye, wheat, and barley. It's naturally produced by Malassezia furfur (also known as Pityrosporum ovale), a yeast found on healthy skin.

Salicylic acid helps treat acne, dandruff, warts, and psoriasis. Using salicylic acid can make your skin dry and irritated if you do not use it correctly. Speaking with a doctor before using salicylic ...