CYSTEINE

Ingredient type: HUMECTANT/WATER-SOLUBLE

Amino acid

✨ Role: Cysteine is an amino acid that is beneficial for the skin due to its antioxidant and repairing properties. It helps strengthen the skin barrier and improves skin elasticity.

Ingredient type: Water-soluble

‍⚕️ Safety: Yes, cysteine is generally considered safe for use in cosmetic products.

✨ Vegan: Yes, cysteine can be derived from plant sources and is therefore considered vegan.

✨ Note: Although generally well tolerated, its effectiveness depends on its concentration in the formulation. A low percentage could limit its potential benefits.

Found in: Often used in hair care products such as shampoos and conditioners for its strengthening properties, it can also be found in anti-aging skin care products.

Comedogenic rating: