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Two hormones, testosterone and dihydrotestosterone, can decrease the hair growth phase and increase hair loss. The cycle includes three phases - androgen (hair growth), catagen (transitional phase), and telogen (hair loss) ( 5). In fact, 50% of men and 25% of women aged 50 and older will experience some degree of hormone-related hair loss ( 6, 7).ĭuring hair loss, the hair’s natural growth cycle changes. Hormonal hair loss, known as androgenetic alopecia, affects around 50 million men and 30 million women in the United States. Hair loss affects many men and women around the world, and it has various causes, such as stress, diet, autoimmune diseases, and hormonal changes ( 5). Here are some potential hair benefits of green tea. Green tea is added to many hair care products for its purported benefits. EGCG may lower your risk of heart disease, cancer, and hair loss. Green tea is made from fresh, dried tea leaves, which results in a higher concentration of antioxidants, such as epigallocatechin gallate (EGCG). The most abundant and powerful catechin in green tea is epigallocatechin gallate (EGCG), which has been linked to a reduced risk of heart disease and certain types of cancer ( 1, 2, 4).ĭue to its rich antioxidant content, green tea and its extracts are being used for other purposes, such as preventing hair loss and improving hair health. Most of the antioxidants in green tea come from compounds known as flavonols, particularly a type known as catechins ( 1, 2). Green teas are well known for being rich in antioxidants. For example, matcha green tea is produced with pre-harvest tea leaves that sit under 90% shade, resulting in a richer flavor and higher antioxidant content ( 2, 3). Green tea is made from fresh tea leaves that undergo drying and sunlight exposure to prevent oxidation and fermentation, which leads to green tea’s distinct flavor ( 1).Ĭertain types of green tea may undergo different processing methods. Depending on the processing method, tea leaves can produce green, black, white, or oolong tea ( 1). Tea leaves come from the plant Camellia sinensis.