What brand of hair dye is the safest and healthiest?

This kind of hair dyes include L 'Oreal, Pheromone and Meiyuantang.

1, L 'Oré al: L 'Oré al's hair dye has a good reputation in the market. The products have been improved many times, with milder ingredients and less damage to hair.

2. Herbal essence: Herbal essence is a kind of physical hair dye, which contains no chemical components such as parabens and is friendly to human body and environment.

3. Shui Gu: Shui Gu is a Japanese brand hair dye, which is famous for its natural ingredients and gentleness, and is also friendly to sensitive scalp.

However, even the products of these brands may cause individual allergic reactions.

Therefore, before using any hair dye, please be sure to have a skin test to ensure safety. At the same time, it is suggested to choose ammonia-free or low-ammonia hair dye as far as possible, which is less irritating to hair and scalp.