... temperature, 30-40 °C is the best), the temperature cann't be too high, which will damage the Chinese medicine ingredients. After 30 minutes ... many white hair or thick hard hair, it will be better to extend the holding time of 1# pharmacy for 10 minutes ... #, 3# separately on theskin behind the ears, 24 hours without adverse reactions, then it may be used. 6.The product is natural Chinese medicine ...