Additionally, some tinted products are able to blend more easily. However, some options are designed specifically for darker skin tones. If you have darker skin, you might find that some sunscreens, especially mineral-based ones, are hard to rub in or leave a white cast. Oftentimes, companies will list what skin types their product is best suited for. Reading customer reviews can also be helpful. If you have dry skin, consider sunscreens that have moisturizing ingredients. If you have oily skin, look for options that are lightweight and oil-free. Keep in mind that even water- and sweat-resistant sunscreens need to be reapplied regularly. This would be an important consideration for people who live in hot places, plan on spending a lot of time outside or in the water, or tend to sweat a lot. A 2012 review suggests that when used properly, SPF 30 sunscreen will block about 97 percent of UVB rays. The American Cancer Society recommends using a sunscreen that’s at least SPF 30. That’s why choosing broad spectrum is your best bet. While all sunscreens protect against UVB rays, only broad spectrum sunscreens protect against both UVA and UVB rays. UVA rays can also contribute to skin cancer, and they cause skin to age prematurely. UVB rays cause most types of skin cancer. However, UVA and UVB rays can both reach skin and are both a cause for concern. UVC rays are absorbed by the earth’s ozone layer and therefore won’t reach your skin. There are three types of ultraviolet (UV) rays:
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