Synopsis

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

White tea (Camellia sinensis) has been explored for its potential benefits in supporting acne treatment, mainly due to its rich polyphenol content, particularly catechins such as epigallocatechin gallate (EGCG). In vitro studies have demonstrated that white tea extracts possess notable antioxidant, anti-inflammatory, and antibacterial properties. These properties are relevant to acne pathophysiology, as oxidative stress, inflammation, and Propionibacterium acnes (now Cutibacterium acnes) bacterial proliferation contribute to the development of acne lesions.

Laboratory research has shown that white tea extracts can inhibit the growth of C. acnes and reduce inflammatory markers in cultured skin cells. Additionally, white tea polyphenols may help regulate sebum production, a key factor in acne. However, there is a lack of robust clinical trials in humans specifically investigating topical or oral white tea for acne treatment. Most available evidence comes from cellular and animal studies, with a few small-scale human studies using related green or tea polyphenol extracts.

Overall, while the scientific rationale for white tea's use in acne is plausible and supported by some laboratory data, direct clinical evidence in humans is limited, and further research is needed. Its use is therefore rated as "scientific" with a moderate evidence score of 2/5, reflecting promising but preliminary support.

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