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Skin color does not determine SPF, so we still need sunscreen to fight cancer, tanning and aging. Sunscreen protects the skin from ultraviolet rays.1. Do I need to apply sunscreen if my skin is dark?
Skin color does not determine SPF. So whether you have dark skin or fair skin, you still need sunscreen to fight cancer, tanning and aging. Dermatologists recommend using creams with an SPF of 30 to protect the skin.People with fair skin have less pigment cells, so they need to use sunscreen with a higher index than yellow and black people.
2. Meaning of SPF on sunscreen labels
SPF is the amount of UVB rays that you are protected by sunscreen to help your skin not tan or burn. Sunscreen does not provide complete protection from the sun. Both UVA and UVB rays can cause skin cancer, so it's not enough to buy a sunscreen based on SPF alone, you should choose one that can protect your skin from both types of UV rays. Products with UVA protection have 3 levels, will be noted as PA+, PA++, PA+++, the more "+" signs, the higher the effect.
3. How to use sunscreen properly
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3.2. Clean skin before use Use facial cleanser or shower gel to clean skin, remove dirt and sweat. This is an important step in how to properly use sunscreen effectively, helping the cream penetrate quickly into the skin, not allowing bacteria to penetrate, causing acne.
3.3. Apply sunscreen with the right dose If applying a small amount of sunscreen will not be effective enough to protect the skin. On the contrary, if you apply too much sunscreen, it will clog pores, cause acne, increase pore size and quickly appear aging on the skin.
3.4. Use at the right time The right time to apply sunscreen: 15-20 minutes before going out in the sun
Effect: helps the ingredients in the sunscreen to fully absorb into the skin, promoting optimal use.
3.5. Need to reapply many times when in the sun for a long time When in the sun, exercising a lot or swimming in the sea, sweat will be secreted a lot, often touching the skin and sea water will make the cream layer drift away, the skin protection effect will also decrease. . After 2 hours of exposure to the sun, you should wash it off and reapply the cream again, wait about 15 minutes before going out in the sun.
3.6. Combine with sun-protective clothing Should be combined with sun-protective clothing, hats, and sunglasses when going out in the sun. Because sunscreen cannot protect skin 100%. These clothes will help you limit heatstroke and burns.
3.7. Choosing sunscreen for different skin areas Because the nature of skin areas is different, choosing the right sunscreen for each skin area is essential. For example, the skin on the face is often thinner than the skin on other areas of the body, applying a full body cream on the face will not be effective, and vice versa.
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