8 Frequent Trimmings Can Make Hair Grow Faster. 經常修發會使其長得更快。

Hair, whether it is cut or not, grows about half an inch per month. Hair does grow slightly faster in the summer, but that is due to hormones rather than the stylist's scissors. A worrying trend among young Chinese girls is to rub a paste made of crushed contraceptive pill into their scalp and hair. This does not lead to stronger, glossier, faster growing hair. In fact, the hormones, while initially improving the condition of the hair, quichly lead to hair loss.
無論剪發與否，頭發都會以每月約半英寸的速度生長。頭發在夏季的確會生長得稍快一些，但那要歸功于荷爾蒙而非發型師的剪刀。在年輕的中國女性中出現了一股令人堪憂的風尚，那就是將避孕藥碾成粉末弄成糊涂到頭皮和頭發上。這不會令頭發更加堅韌、更有光澤、長得更快。事實上，荷爾蒙雖然在最初會改善頭發狀況，但會迅速導致脫發。

P.S. You can't repair split ends. The only way to rid of split ends is to cut them off and prevent them in the future with good hair care. A good trim will eliminate split ends, making hair look healthier and livelier.
此外，你不可能修復分叉。擺脫分叉的唯一方法就是將其剪掉并精心護理頭發以防其日后出現。修剪得好就會清除分叉，令頭發看上去更加健康和灑脫。