In addition to blocking tyrosinase, an enzyme responsible for production and overproduction of pigment in the skin, cysteamine acts to induce high levels of glutathione, a potent peptide with multiple beneficial effects in the skin. The serum also contains gingko biloba concentrate and phytic acid, which helps to regulate sebum and melanin production
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Because of this, certain groups may want to exercise caution or avoid these supplements altogether: People taking hormone-related or other prescription medications Ingredients in hormone-support supplements may interact with treatments such as hormone replacement therapy (HRT), birth control, diabetes medications, thyroid hormones, immunosuppressants, antihypertensives, sedatives, and others.35 These interactions can alter how medications work or increase the risk of side effects
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