Evidence supporting the use of: Tallow
For the body system: Hair
Synopsis
Source of validity: Traditional
Rating (out of 5): 2
Tallow, a rendered form of animal fat (usually from cattle or sheep), has been traditionally used in hair care for centuries, particularly before the widespread availability of plant-based oils and commercial conditioners. Historical evidence shows that tallow was a common ingredient in soap and pomade recipes throughout Europe and North America in the 18th and 19th centuries. It was favored for its availability, emollient properties, and its ability to coat and condition the hair, reducing dryness and breakage caused by environmental factors. Some traditional practices also cite tallow’s similarity to the natural oils produced by the scalp (sebum), suggesting it may help maintain hair health and moisture balance. However, there is a lack of robust scientific studies directly validating tallow’s effectiveness for supporting hair growth, scalp health, or other aspects of hair biology. The use of tallow today is more often associated with natural or ancestral hair care movements rather than mainstream, evidence-based recommendations. While tallow is rich in saturated fats and fat-soluble vitamins (such as A, D, E, and K), no clinical trials have demonstrated specific benefits for hair when tallow is applied topically. Thus, its continued use is primarily justified by tradition rather than modern scientific evidence.
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