... .Keep the effect for at least 3 months 4.Allergy free, safe, green product 5.OEM [Ingredient]Polygonum multiflorum extract, Vitamin ... product is natural hairdye, non-toxic, no side effects, feel free to use.5.The product is a natural Chinese medicine ... #, 2#, 3# separately on theskin behind the ears, 24 hours without adverse reactions, then it may be used. 6.The product ...