Trimming ends makes hair grow faster
Trimming your hair does not make your hair grow faster. Trimming your ends does eliminate the split ends that may be hidden by the silicone in the conditioner you use, causing your hair to be healthier but it does not cause your hair to grow faster. This may be believed to be true because when someone trims their ends, the hair grows back. Your hair will grow as long as you take care of it, keep it moisturized, and retain the ends, which is the most vulnerable part of your hair.
Not using chemical straighteners makes your hair grow faster
By not using harsh chemicals on your hair, you reduce the chance of extreme breakage but it does not make your hair grow faster. Your new hair is going to grow whether the old hair is relaxed or not. The difference is what is done to the hair that is already on your head and whether the ends are retained or damaged. Chemical straightening contributes to breakage, which makes it appear like the hair isn’t growing, but it is. This explains why some women need relaxers every 6 weeks, to straighten the new growth. If you really want to know how much your hair grows with a relaxer, measure your new growth between relaxers.
Oiling and greasing your scalp makes your hair grow faster
Oiling your scalp or greasing your scalp does not make your hair grow faster. If anything, it may slow down growth because the pores are now clogged slowing down the process. Oils and grease do not provide moisture for your hair. They simply lock in moisture provided be water and other hydrating products. If you want to moisturize your hair, water and/or water based products will do it for you. I would recommend washing regularly, whether it be co-washing, washing with a no-poo, or washing with a shampoo, and using a water based leave-in conditioner. Oils are good but remember they just lock in moisture.
Braids make your hair grow faster
Braids do not make your hair grow faster. Simply put, braids help retain the ends of your hair because the ends are protected. The hair is less manipulated which keeps it strong. Wearing braids is a good protective style as long as the braids are not too small and your hair is not pulled too tight. If the hair is pulled too tight, it can be pulled from the root, thinning out your hair. Tightly braided hair on the edges can even cause a receding hairline. Be careful with braids.
Black hair does not grow
Black hair grows as long as it is well taken care of. I believe this myth comes from the plethora of black women who apply heat and harsh chemicals to their hair regularly that cause extreme breakage and thinning. There are plenty women who have long, healthy hair but they have learned to stay away from the harsh chemicals and heat and have learned to retain their ends and keep their hair hydrated.