According to research, an excessive buildup of hydrogen peroxide is a primary cause of grey hair. This buildup bleaches the hair from the inside out and damages the melanocyte melanin producing cells Gray Hair & Your Health: More Than Just Aging? Did you know that premature gray hair can be a sign of deeper imbalances in the body? Instead of just chalking it up 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 Glutathione: The Guardian Of Hair Color And Health Can stress really cause gray hair? #InternationalStressAwarenessDay