... the effect for at least 3 months 4.Allergy free, safe, green product 5.OEM [Ingredient]Polygonum multiflorum ... -40 °C is the best), the temperature cann't be too high, which will damage the Chinese medicine ... , because high temperature will damage the Chinese medicine and affect the effect.2.First use, for people ... hairdye, non-toxic, no side effects, feel free to use.5.The product is a natural Chinese ...