Well, proteins are considered to be an important medication for hair treatment…however, we should be extra careful as overly used would definitely dry and frizz the hair besides other side effects as well… therefore, we should always be cautious in using such appliances, and proteins should be applied once a week as a deep conditioning treatment…you can even ask your stylist’s opinion before buying such products as you might just have simple dry hair issues that can be handled by using a moisture rich conditioner…