Understanding Shampoos for Color Treated Hair
Updated: Feb 18
Most hair dyes work by opening the outermost part of the hair follicle called the cuticle to lighten your natural color and deposit artificial pigment. Some hair dyes, usually ones that contain peroxide, work by lightening your natural hair pigment. Regardless, once artificial pigment or color is deposited in your cuticles, it undergoes a reaction that makes the particle too large to just come out on its own. It needs a pH change in your hair and heat to open the cuticles back up to release the pigment. That being said, the goal of a shampoo for color treated hair is to maintain a pH that allows your hair to hold onto its pigment and to avoid stripping color with harsh detergents that can strip the cuticle and the color along with it. Ingredients to avoid:
Sulfates : sodium lauryl sulfate and sodium laureth sulfate Formaldehyde Parabens If you don’t use a color treated shampoo you will need to color your hair more frequently since your hair simply wont hold the color as long!