+29 Side Effects Of Coloring Hair Ideas. Altering the hair’s protein structure through permanent and demipermanent dyeing can cause side effects that include: Permanent hair colors often contain ammonia (or chemicals similar to it) and peroxide ( 1 ).

Web around 38% of people who color their hair report having an allergic reaction to the dye. Web the scalp, ears, beard, or neck may become red and inflamed. Web natural caramel curls.





