1: J Am Acad Dermatol. 2005 Jun;52(6):1049-59.

Green tea and the skin.

Hsu S.

Department of Oral Biology and Maxillofacial Pathology, School of Dentistry,
Medical College of Georgia, Augusta, Georgia 30912-1126, USA. shsu@mail.mcg.edu

Plant extracts have been widely used as topical applications for wound-healing,
anti-aging, and disease treatments. Examples of these include ginkgo biloba,
echinacea, ginseng, grape seed, green tea, lemon, lavender, rosemary, thuja,
sarsaparilla, soy, prickly pear, sagebrush, jojoba, aloe vera, allantoin,
feverwort, bloodroot, apache plume, and papaya. These plants share a common
character: they all produce flavonoid compounds with phenolic structures. These
phytochemicals are highly reactive with other compounds, such as reactive oxygen
species and biologic macromolecules, to neutralize free radicals or initiate
biological effects. A short list of phenolic phytochemicals with promising
properties to benefit human health includes a group of polyphenol compounds,
called catechins, found in green tea. This article summarizes the findings of
studies using green tea polyphenols as chemopreventive, natural healing, and
anti-aging agents for human skin, and discusses possible mechanisms of action.

PMID: 15928624 [PubMed - indexed for MEDLINE]