"Side effects of applying egg on hair" refers to the potential adverse reactions that may arise from using eggs as a hair treatment. For instance, some individuals experience an allergic reaction to eggs, which can result in scalp irritation, redness, and swelling.
Applying eggs to hair has been practiced for centuries due to its purported benefits for hair health. Eggs are rich in protein, which can help strengthen and repair hair, and they also contain nutrients like biotin and vitamin E, which are essential for healthy hair growth. However, it is important to note that there is limited scientific evidence to support the efficacy of eggs as a hair treatment.