This purple shampoo adds just the right amount of moisture thatll hydrate. Women love the Redken Blonde Idol Shampoo because it gently cleanses and softens locks without stripping any color which means your hair will be left feeling silky smooth and brighter than ever. The 21 Best Purple Shampoos To Brighten Blonde Hair What Is Purple Shampoo Best shampoo for natural blonde hair 1. Shampoo for natural blondes . For the most color vibrancy hair must be bleached or color treated to lightest blonde. Bring beauty and harmony to your natural blonde. It is best to use it all over the head to. The natural pigments in this purple shampoo work to minimize brassy tones. This balancing shampoo preserves 89 of hair color for up to 18 washes or six to. For natural blondes there is no hard-fast rule to using a purple shampoo. This is a brightening and repair shampoo. Best for Natural Blondes. Yes you can use Natural Blonde Shampoo on highlighted hair. If your hair is w...