Evidence supporting the use of: Flavanol (mixture)
For the health condition: Skin Care (general)

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Synopsis

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

Flavanols—a class of polyphenolic compounds found especially in cacao, tea, apples, and certain berries—have been studied for their potential benefits in general skin care. Scientific validation primarily stems from clinical and laboratory research indicating that flavanol-rich foods and extracts can exert positive effects on skin health. These effects are believed to be related to their antioxidant properties, ability to modulate inflammation, and support of microcirculation.

Several randomized controlled trials have assessed the impact of cocoa flavanol consumption on skin parameters. For example, a study published in the Journal of Nutrition (2006) found that daily consumption of high-flavanol cocoa led to improved skin density, thickness, hydration, and reduced transepidermal water loss in healthy women. Other studies have observed increased skin blood flow and photoprotection against UV-induced erythema after flavanol supplementation. Additionally, in vitro and animal research supports the role of flavanols in protecting skin cells from oxidative stress and inflammation.

While these results are promising, most human studies have focused on dietary intake rather than topical application, and sample sizes are often small. The evidence base is growing but not yet robust enough for unequivocal recommendations. Thus, the use of flavanols for general skin care is supported by moderate scientific evidence, particularly for oral supplementation, but more large-scale, long-term studies are needed to fully confirm their benefits and mechanisms.

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