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Collagen is used to strengthen and shine the hair. It is a protein that makes up a significant portion of the connective and conjunctive tissue in the skin, and is an important molecule for hair stem cell maintenance. Can add collagen to the scalp and hair follicle, which helps in replenishing any collagen that has been lost, contributing to hair health, strength and growth.
Generally non-irritating; however, may have minimal irritation to the eyes.
This ingredient is likely to be found in ....