Tag Archives: fda sunscreen

Is Homemade Sunscreen For You – Part II: UVA Protection

Before we talk about uva testing, let’s examine why we think uva protection is important and how that relates to sunscreen use. UVA rays penetrate deeper into the skin layer than UVB rays. Excess exposure to UVA rays may cause premature skin aging, wrinkling, and cell damage and to a lesser degree than UVB rays, […]

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