Evidence supporting the use of: Egg
For the health condition: Hair (loss or thinning)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Eggs have been used in traditional hair care for centuries, particularly in home remedies across various cultures. The belief is rooted in the high protein content of eggs, notably in the egg white, as well as the presence of vitamins such as biotin, which are known to contribute to hair health. Traditional practices involve applying raw egg or egg yolk directly to the scalp and hair, with the expectation that this will nourish and strengthen the hair, reduce breakage, and potentially minimize hair loss or thinning. However, scientific studies directly evaluating the topical use of eggs for hair regrowth or loss prevention are lacking. Most of the purported benefits are extrapolated from the nutritional value of eggs when consumed as part of a diet, rather than from topical application. Some laboratory studies support the role of proteins and biotin in hair health, but these are generally related to dietary intake rather than external use. Therefore, while there is a long tradition of using eggs in hair care, there is limited scientific validation for their effectiveness in treating hair loss or thinning when applied topically.

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