Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Salix (Natural BHA)

the botanical genus name for willow, used on ingredient labels to indicate willow-derived extracts that supply salicin, a natural compound with salicylic-acid-like exfoliating activity. In clean beauty it is positioned...

Salix (Natural BHA)

the botanical genus name for willow, used on ingredient labels to indicate willow-derived extracts that supply salicin, a natural compound with salicylic-acid-like exfoliating activity. In clean beauty it is positioned...

Willow Bark Extract

a botanical extract derived from the bark of willow trees that naturally contains salicin, a compound related to salicylic acid, giving it mild exfoliating and soothing properties. It is often...

Willow Bark Extract

a botanical extract derived from the bark of willow trees that naturally contains salicin, a compound related to salicylic acid, giving it mild exfoliating and soothing properties. It is often...

Alpha-Lipoic Acid

a naturally occurring compound that functions as an antioxidant and is soluble in both water and oil, allowing it to work across different environments in the skin. In skincare it...

Alpha-Lipoic Acid

a naturally occurring compound that functions as an antioxidant and is soluble in both water and oil, allowing it to work across different environments in the skin. In skincare it...

Glutathione

a naturally occurring tripeptide antioxidant made of three amino acids that helps the body manage oxidative stress, and in skincare it is used for its antioxidant and brightening-associated properties. In...

Glutathione

a naturally occurring tripeptide antioxidant made of three amino acids that helps the body manage oxidative stress, and in skincare it is used for its antioxidant and brightening-associated properties. In...

Ergothioneine

a naturally occurring amino acid with strong antioxidant properties, found in mushrooms and certain other organisms, and used in skincare to help defend against oxidative stress. It is valued for...

Ergothioneine

a naturally occurring amino acid with strong antioxidant properties, found in mushrooms and certain other organisms, and used in skincare to help defend against oxidative stress. It is valued for...

N-Acetylglucosamine

an amino sugar derivative of glucosamine used in skincare as a hydrating and brightening ingredient, and a precursor the body uses to build hyaluronic acid. It has been studied for...

N-Acetylglucosamine

an amino sugar derivative of glucosamine used in skincare as a hydrating and brightening ingredient, and a precursor the body uses to build hyaluronic acid. It has been studied for...