How to Pick the Sunscreen
by
Sanny86
How to Pick the Sunscreen
One of the most important things you need to do if you want to keep your skin looking healthy and young is to make sure you always use sunscreen when you are out in the sun. Minimizing your sun exposure is a great idea. But do you know how to choose the right sunscreen? To help you make sense of the ingredients and terms of the sunscreen, here is a need-to-know list:
Avobenzone: It absorbs both UV-A (380315 nm that is associated with long term skin damage) and UV-B (315280 nm that causes sunburn) rays. Avobenzone is known as one of the most effective sunscreen ingredient.
Broad-spectrum protection: A broad-spectrum sunscreen helps protect your skin from ultraviolet A (UVA) as well as ultraviolet B (UVB) rays. UVA rays cause premature wrinkling and may cause skin cancer. UVB rays burn and are considered the main cause of basal and squamous cell carcinomas as well as a significant cause of melanoma. Experts recommend using a sunscreen that protects against both types of ultraviolet radiation.
Lotion, cream, or gel: One is not more effective than another, so the type of sunscreen you choose depends on your preference. You may want to use a cream on your face, since gels can sting around the eyes.
Oil-free: Look for this label if you have oily or acne-prone skin and want to avoid breakouts caused by sunscreen.
PABA or PABA-free: Short for para-aminobenzoic acid, is a commonly used UVB absorber in sunscreens. However, some people are allergic to it. If you’re one of those people, make sure to look for a PABA-free sunscreen.
SPF: Short for sun protection factor, SPF measures the length of time a product protects against skin burning from ultraviolet radiation, compared to how long the skin takes to burn without protection. If you normally burn in 15 minutes, and you wear sun lotion with an SPF of 10, multiply 15 times 10. You should be able to withstand 150 minutes of sun without burning. If your sunscreen has an SPF of 60, multiply 15 times 60. That will give you 900 minutes of sun protection. Of course, this is subject to variables such as your sunscreen being rubbed off by clothing or diluted by sweat. If you have experienced 10 minutes without protection, you are now left with a new formula: 5 minutes times SPF – minus the time you have already used up. Sunscreens with an SPF of 15 or higher are generally thought to provide useful protection from the sun’s harmful rays.
Ultraviolet (UV) radiation: Invisible rays that are part of the energy coming from the sun. UV radiation that reaches the earth’s surface is made up of two types of rays, called UVA and UVB rays. UVB rays are more likely than UVA rays to cause sunburn, but UVA rays pass deeper into the skin. Scientists have long thought that UVB radiation can cause melanoma and other types of skin cancer. They now think that UVA radiation may also add to skin damage that can lead to skin cancer.
Waterproof: Indicates that the product provides protection for at least 80 minutes even when swimming or sweating.
Water-resistant: Different from waterproof, this means that the product provides protection for only 40 minutes while swimming or sweating.
Zinc oxide, talc or titanium dioxide: These ingredients are non-chemical, physical sunblocks. They provide good coverage, are waterproof and, most important, cause fewer allergic reactions than chemical sunscreens. The only drawback: These products are not absorbed by the skin, so they tend to create a mask like appearance.
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