11 Best Shampoos for Gray Hair in 2020, According to Stylists and a Dermatologist. Pureology Hydrate Moisturizing shampoo creates rich lather which cleanses the hair effectively. While doing so, it does not add any sulfites to the hair that strips the hair of its color; hence, it’s perfect for black hair. The shampoo turns the grey hair to black … ③ Pureology Hydrate Shampoo. It has a fruity smell. The long array of shampoos you would find at a hair product store might overwhelming, making you choose a shampoo that would do little or no good to your precious hair. Ideal for brightening gray, white, and bleach-blond manes, this mild silver shampoo features okara extract (derived from soybean pulp) to protect hair and neutralize brassy tones. Prevent brassiness, amp up shine, and boost moisture with these silver-friendly shampoos. Dexe Black Hair Shampoo is an instant shampoo hair color. While purple shampoo is great to use once or twice a week to cut out warm, brassy tones, your daily shampoo should brighten your gray hair and prevent it from getting yellow. I understand the struggle of making these decisions so I’ve decided to compile a list of the best shampoo for your black hair, based on the needs of your hair. It is formulated with Chinese herbal extracts and French medicinal extracts such as ginseng and wild ganoderma lucidum. It has a revolutionary formula to cover the grey hairs within minutes.