Why are there green bags and black bags for plant hair dyeing in Nanjing Tongrentang? Which one is true?

The plant hair dyeing products of Nanjing Tongrentang have green packaging and black packaging, among which the black packaging is the authentic product of Nanjing Tongrentang, and the green packaging is the OEM product of Nanjing Tongrentang.

According to the information of Celmen Beauty Cosmetics, Nanjing Tongrentang Green Gold House changed from green to black, belonging to the branded products of Nanjing Tongrentang, not the real goods of Nanjing Tongrentang. "Nanjing Tongrentang Green Gold Home" trademark is an OEM trademark of products authorized by Nantong Health, a wholly-owned subsidiary of Nantong Medicine.

Therefore, the plant hair dye products of Nanjing Tongrentang in black package are real products of Nanjing Tongrentang, and the products in green package are OEM products.