How to Prevent and Reverse Gray Hair

Protect Your Locks from the Elements

Beyond internal impacts, what your hair faces externally matters too. "Follow healthy hair habits. Try to avoid repetitive use of heat and chemical treatments which can damage the hair and the pigment cells," recommends Lain. "Limit exposure to, or protect hair from, toxins and pollutants, and when possible, protect your hair from the sun by covering it up with a hat or scarf."