CYSTEINE HCL

Ingredient type: HUMECTANT/WATER-SOLUBLE

✨ Role: Cysteine HCl is an amino acid used primarily for its moisturizing and strengthening properties. It helps maintain skin hydration and can help strengthen the structure of hair and nails in hair care and manicure products.

Ingredient type: Water-soluble

Safety: Yes, this ingredient is generally safe and well tolerated for topical use.

✨ Vegan: Yes, cysteine HCl can be obtained from vegan sources.

✨ Note: Although generally well tolerated, it is always advisable to test on a small area of skin to ensure there is no allergic reaction, especially for sensitive skin.

Found in: It is often found in hair care products, nail strengthening treatments, and certain skin moisturizers.