The use of tea bran in health centers is required. 1. Tea bran, a traditional Chinese medicine commonly used for washing hair, should not be stored for more than two years. If the time is too long, the effect of tea bran will be weakened.

2, long-term fermentation, etc. , may produce toxic and harmful substances, which is not good for hair care.

3. The selected traditional Chinese medicine tea bran should have a good color, and it is the best state that it is not wet or moldy, which can have a good hair care effect.

4. When choosing Chinese medicine tea bran to wash your hair, remember to pay attention to the aging trend of the product.