10 Ways Chemical Treatments Damage Your Hair


7. Allergic reactions

Bleaches often have color dyes and shades added, and some users have severe allergic reactions to these.  Symptoms range from mild itching to burning and blistering of the skin, and should never be dismissed as “normal.”  Remember that no treatment should cause pain or skin damage.  If it does, stop using it and consult your stylist immediately.  If the condition does not clear up immediately, seek medical attention.