It's a tale as old as time for those who are blonde by way of the bottle—particularly for light blondes ... in the first place. "Purple shampoo is amazing on pale blonde hair as it neutralises ...
Juliana Ohlmeyer, a renowned colorist, explains, ‘Purple shampoo is used as a very gentle way of controlling extra yellow tones in your hair, which is the underlying pigment in light blonde hair ...
Color-depositing shampoos add specific pigments (either purple, blue or green) onto the hair shaft to maintain your desired color. Based on color theory, blondes should use purple shampoos ...