You've probably seen "clinically proven" ceramide supplements promising fewer wrinkles and better hydration. Before you decide whether that claim holds up, you need one skill: knowing how to read the …
Vitamin C Skin Claims: Biology vs. Deficiency vs. Trial
What Kind of Vitamin C Skin Claim Are You Reading? Vitamin C skin claims usually fall into one of three categories: basic biology, deficiency correction, or human trial evidence. Knowing which one …
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Zinc for Skin and Hair: Deficiency Evidence, Upper Limits, and Copper Questions
You're Standing in the Supplement Aisle, Reading Two Different Labels One bottle says 15 mg of zinc. Another says 50 mg, with a claim about "supporting healthy hair and skin." A friend mentioned her …
Zinc for Skin: Acne Research, Wound Healing Evidence and Supplementation Safety
What Zinc Actually Does for Your Skin Zinc is a mineral your body needs for wound healing, immune function, and skin cell growth. Research on oral zinc for acne shows modest and inconsistent …
Vitamin C for Skin Health: Oral Supplementation Evidence, Dose Considerations and Limitations
What the Research Actually Shows About Oral Vitamin C and Skin Vitamin C is required for collagen production and works as an antioxidant in the body, but most of the strong evidence for visible …
Astaxanthin for Skin: UV Protection Claims and What Human Studies Actually Show
What the Research Actually Shows Astaxanthin is a red-orange antioxidant found in algae, salmon, and shrimp, and it's sold as an oral supplement marketed for "UV protection" and "sun defense." …