After a color service, which type of shampoo should be used on a client?

Using a pH-balanced shampoo after a color service is essential because it helps maintain the integrity of the hair's natural pH level, which is typically around 4.5 to 5.5. Coloring processes can alter the hair's pH, and using a pH-balanced shampoo helps to gently cleanse the hair without stripping away the color or causing further damage. This type of shampoo supports the sealing of the cuticle, which can enhance the longevity of the color while promoting healthier hair.

In contrast, other types of shampoos may not be suitable after a coloring process. Clarifying shampoos are designed to remove product buildup and can be too harsh on color-treated hair, potentially leading to color fading. Moisturizing shampoos, while beneficial for hydration, may not address the specific needs of maintaining color vibrancy. Volumizing shampoos often contain ingredients that may lift the hair cuticle, which can lead to color loss or an uneven color appearance. Therefore, using a pH-balanced shampoo is the best option to ensure that the color remains vibrant and the hair remains healthy post-service.