What are the fourth generation skin-friendly plant hair dyes?

Meiyuan uses quick plant black hair cream and Swarovski Yiran plant hair cream.

1. The fourth generation of Meiyuan Express Plant Black Hair Cream adopts skin-friendly plant hair dye and has passed the national business license certification.

2. Swarovski Yiran plant hair dye cream, the fourth generation skin-friendly plant hair dye, obtained the national patent.