“Generally, medium-size braids are a safe choice, provided they are not overly heavy. The most harmful braids are those that are excessively tight and carry significant weight.” Dr. Kikam says that, when possible, it's typically a good idea to avoid extensions altogether—or at least to use minimal additional hair.

The French braids is good for hair growth because it pulls your hair back tight from the root. This type of braid is also good for preventing breakage.