Evidence supporting the use of: Egg
For the body system: Hair

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Eggs have been traditionally used as a natural remedy for hair care, and there is some scientific basis supporting their benefits for hair health. Eggs are rich in proteins, particularly keratin-forming amino acids such as cysteine, which are essential building blocks for hair structure. Additionally, eggs contain biotin, a B-vitamin that is often associated with hair growth and strength. Deficiency in biotin has been linked to hair thinning and loss, and supplementation can improve these conditions in deficient individuals. Egg yolks also provide lecithin and fatty acids, which may help moisturize and condition hair when applied topically.

Several laboratory studies have confirmed that proteins and peptides derived from eggs can help improve hair texture and manageability when used in shampoos and conditioners. However, there is limited direct clinical evidence supporting the topical application of whole eggs for promoting hair growth or significantly improving hair health in the general population. Most scientific support comes from the understanding of the nutritional value of eggs and their components, rather than randomized controlled trials on egg-based hair treatments. Overall, while egg use for hair is rooted in tradition, it is partially supported by scientific understanding of its nutrients and their roles in hair health.

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