1. Eat fresh carrots (I have heard that some people eat carrots for a week and grow 1.2 cm). As Da S said in Entertainment 1%, the effective shampoo ingredients to promote hair growth are seaweed, sea salt and ginger. However, the hair will be dry after washing, so be sure to use conditioner. In fact, there are not many shampoos with these three ingredients in my opinion. I know that Revlon has a shampoo containing ginger, but I haven't found it. When you are free every day, massage your scalp with ten fingertips until you get fever, which can promote healthy and rapid hair growth. 2. Mash birth control pills and add shampoo to wash your hair. 3. Wash your hair with beer. Once again, it seems that many MMs are interested in this trick, so am I, although I haven't tried it yet. I have seen MMs on the jar saying that beer with the brand of "Shengli" is the best, but I really haven't tried it. Does anyone know? 4. Mash ginger and add shampoo to wash your hair. 5. Get enough sleep. (This is what I heard in Australia) 6. Wash your hair more often in Dozza (the most common method, but I really don't think it's effective to wash your hair every day) 7. Actually, I haven't experimented with many of them, because I think it will taste strange after washing your hair. ! But there are many people who recommend beer to wash their hair. In fact, if I eat carrots, I only accept the burnt ones, and it feels hard to eat them raw. But eating carrots is a really effective way!