Yesterday, big name cosmetic science blog The Beauty Brains answered my question on which hair products actually repair (rather than just protect) your damaged hair! Check it out here.
10 facts about hair you mightn’t have known:1. Hair and nails are both mainly made of a type of protein called keratin, which contains a lot of an amino acid called cysteine. All this cysteine is one of the main reasons why keratin is so strong. There is also a lot of keratin in skin.2….