1. The Necessary Ingredients used to Make the Hair Color Product

The best professional hair color to cover gray should have ingredients that promote healthy and positive development. Such ingredients include

Keratin and Ammonia-Free Substances

These ingredients are friendly to gray hair and smoothen and strengthen the hair, resulting in natural effects with rich, long-lasting hues.

In addition, they provide long-lasting effects that last up to six weeks and excellent coverage of the gray hairs while offering protection from further damage. Also, ammonia-free agents reduce irritation with the skin.

Ceramide and Collagen Ingredient

These hair color product ingredients give the gray hair a strong defense and strengthen and thicken the hair. In addition, the best hair color to cover gray hair that has these two compounds prevents color build-up on treated tips. beautysmasher