Finding grey hair in your 20s or 30s may not be just a matter of age or genetics; health experts indicate that nutritional deficiencies play a significant role in premature greying. Research Does Glutathione Make Your Hair White? Understanding the Connection Between Glutathione and Hair Color Cymbiotika CYMBIOTIKA Hair turns grey when the cells that give it colour, called pigment cells, slow down or stop making pigment. These pigment makers sit near the base of each hair follicle and supply Gray Hair: Causes and What Research Says About Prevention Stress sensing in the human greying hair follicle: Ataxia Telangiectasia Mutated (ATM) depletion in hair bulb melanocytes in canities prone scalp Scientific Reports