black hair tea is a kind of traditional Chinese medicine tea, which is mainly composed of black beans, mulberry leaves, medlar, chrysanthemum and other materials. Its effects include:

1. Promote melanin production: Mulberry leaves in black hair tea can stimulate the activity of melanocytes and make hair darker and brighter.

2. Promoting blood circulation and dredging collaterals: Blackhair tea contains a variety of Chinese herbal medicines for promoting blood circulation and removing blood stasis, which can promote scalp blood circulation and improve hair growth environment.

3. Nourishing hair: Black beans, medlar and other materials in black hair tea are rich in nutrients, which can nourish hair, enhance hair elasticity and improve hair quality.

4. Prevention: Chrysanthemum and other materials in black hair tea have antioxidant and anti-inflammatory effects, which can prevent hair aging and alopecia.

In a word, black hair tea is a kind of traditional Chinese medicine tea beneficial to hair, which can promote healthy hair growth, nourish hair and prevent diseases. However, it should be noted that it is not advisable to drink too much, and should be combined with good hair care habits.