Effective sunscreens block both UVA and UBV rays The active ingredients tend to be made of minerals, such as titanium dioxide or zinc oxide, as opposed to chemicals. Most natural sunscreens use active ingredients from plants to coat the skin and reflect UV rays off the dermal layers. They’re typically free of parabens, as well as the ingredients oxybenzone, avobenzone, octisalate, octocrylene, homosalate, and octinoxate. Natural sunscreens are typically associated with products and ingredient blends that don’t contain a chemical sun protection filter. Oxybenzone, retinyl palmitate, and parabens are some of the ingredients that consumers are concerned about. That means that most sunscreen ingredients need to be evaluated for efficacy and safety before you can purchase them.Įven so, in recent years, certain ingredients in sunscreen have come under scrutiny for accelerating skin damage and possibly even contributing to cancer risk. In the United States, sunscreen products are regulated as over-the-counter drugs by the Food and Drug Administration (FDA). Most sun protection products contain a mix of sunscreen and sunblock ingredients. Sunblock is a term used to describe products that protect from UV rays by sitting on top of your skin, as opposed to being absorbed. That’s why a broad-spectrum sunscreen is a better bet for sun protection. While UVB rays are more closely linked to causing skin cancer, UVA rays can still damage your skin and penetrate deep into your skin’s layers to accelerate wrinkles. Broad spectrumīroad-spectrum sunscreens protect your skin from the sun’s UVB rays as well as ultraviolet A (UVA) rays. The American Academy of Dermatologists recommends using an SPF of 30 at the very least. SPF stands for “sun protection factor.” It’s a numerical estimate of how well a product protects your skin from ultraviolet B (UVB) rays, which is why a number is used to represent the SPF. To understand what makes a sunscreen effective, let’s first break down some of the terms used to describe it. Sunscreen is one of those products that feels like it should come with its own dictionary for understanding the label.
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