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You probably know that you need to apply sunscreen while you’re laying out on the beach. However, dermatologists recommend that you use a sunscreen any time you’re going to be outside for more than 20 minutes, even in the wintertime. You should wear sunscreen even when it’s shady or overcast. The sun’s UV (ultraviolet) rays can begin to cause skin damage in just 15 minutes! [1] X Trustworthy Source Centers for Disease Control and Prevention Main public health institute for the US, run by the Dept. of Health and Human Services Go to source This damage can even lead to skin cancer. Preventing a sunburn is always preferable to treating a sunburn . The best way to do that is to apply sunscreen liberally any time you'll be outside during the day.
Steps
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Look at the SPF number. “SPF” refers to a sunscreen’s “sun protective factor,” or how effectively it blocks UVB rays. The SPF number reflects the amount of time it takes to sunburn wearing the sunscreen vs. not wearing the sunscreen. [2] X Research source
- For example, an SPF of 30 means that you can spend 30 times as long in the sun before burning compared to not wearing any sunscreen at all. So, if you would usually begin to burn after 5 minutes in the sun, an SPF of 30 would theoretically allow you to spend time outside for 150 minutes (30 x 5) before you burn. However, your unique skin, your activities, and the sun’s intensity all cause variation in how effective sunscreen is, so you may need to use more than other people.
- The SPF number can be tricky, because its protection doesn’t increase proportionally. Thus, SPF 60 is not twice as good as SPF 30. SPF 15 blocks about 94% of UVB rays, SPF 30 blocks about 97%, and SPF 45 blocks about 98%. No sunscreen blocks 100% of UVB rays. [3] X Research source
- The American Academy of Dermatology recommends an SPF of 30 or higher. [4]
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Expert Source
Kelly Chu
Professional Makeup Artist Expert Interview. 9 May 2019. The difference between extremely high SPFs is often negligible and not worth the extra money. - If you're going swimming or sweating, go with a sunscreen that's SPF 50. [5]
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Expert Source
Kelly Chu
Professional Makeup Artist Expert Interview. 9 May 2019.
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Choose a “broad-spectrum” sunscreen. SPF refers only to the ability to block UVB rays, which cause sunburn. However, the sun also emits UVA rays. UVA rays cause skin damage, such as signs of aging, wrinkles and dark or light spots. [6] X Trustworthy Source Mayo Clinic Educational website from one of the world's leading hospitals Go to source Both increase your risk of skin cancer. [7] X Research source A broad-spectrum sunscreen provides protection from both UVA and UVB rays. [8] X Expert Source Kelly Chu
Professional Makeup Artist Expert Interview. 9 May 2019.- Some sunscreens may not say “broad-spectrum” on the packaging. However, they should always state whether they protect against UVB and UVA rays.
- Most broad-spectrum sunscreens contain “inorganic” components such as titanium dioxide or zinc oxide, as well as “organic” sunscreen components such as avobenzone, Cinoxate, oxybenzone, or octyl methoxycinnamate. [9] X Trustworthy Source Mayo Clinic Educational website from one of the world's leading hospitals Go to source
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Look for a water-resistant sunscreen. Because your body expels water through sweat, you should look for a water-resistant sunscreen. This is especially important if you are going to be very active, such as running or hiking, or if you’ll be in the water.
- No sunscreen is “waterproof” or “sweat proof.” In the US, sunscreens cannot market themselves as “waterproof.” [10] X Trustworthy Source Mayo Clinic Educational website from one of the world's leading hospitals Go to source
- Even with water-resistant sunscreen, reapply every 40-80 minutes or as directed on the label.
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Decide what you like. Some people prefer spray sunscreens, while others prefer thick creams or gels. Whatever you decide, make sure you apply a thick, even coating. The application is as important as the SPF and other factors: if you don’t apply it properly, the sunscreen won’t do its job. [11] X Trustworthy Source Mayo Clinic Educational website from one of the world's leading hospitals Go to source
- Sprays may be best for hairy areas, while creams are usually best for dry skin. [12] X Trustworthy Source Mayo Clinic Educational website from one of the world's leading hospitals Go to source Alcohol or gel sunscreens are good for oily skin. [13] X Trustworthy Source Mayo Clinic Educational website from one of the world's leading hospitals Go to source
- You can also purchase wax sunscreen sticks, which are good for applying near the eyes. This is often a good choice for children, as it avoids getting the sunscreen in the eyes. They also have the benefit of not spilling (such as in a purse) and can be applied without getting lotion on your hands.
- Water resistant "sports type" sunscreens are often sticky, so they are not good choices for applying under makeup. [14] X Research source
- For acne-prone individual, take care in selecting your sunscreen. Look for those that are designed specifically for your face and will not clog pores. These often have higher SPF (15 or higher), and are less likely to clog pores or increase acne breakouts.
- Many acne-prone individuals find that zinc oxide-based sunscreens tend to work best.
- Look for "non-comedogenic", "will not clog pores", "for sensitive skin", or "for acne-prone skin" on the labels.
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Go home and try a small portion around your wrist. If you see any allergic reaction or skin problem, buy a different sunscreen. Repeat the process until you find the right sunscreen, or talk to your doctor about recommended brands if you have sensitive skin or allergies.
- Itching, redness, burning, or blisters are all signs of an allergic reaction. Titanium dioxide and zinc oxide are less likely to cause allergic skin reactions.
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Check the expiration date. The FDA requires sunscreen to retain its protective power for at least three years from the date of manufacture. However, you should always note expiration dates. If the date has passed, ditch the old bottle and buy some new sunscreen.
- If your product doesn’t have an expiration date when you purchase it, use a permanent marker or a label to write the purchase date on the bottle. This way you’ll know how long you’ve had the product.
- Obvious changes in the product, such as color changes, separation, or different consistency, are signs that the sunscreen has expired.
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Apply before going out in the sun. The chemicals in sunscreen take time to bind to your skin and become fully protective. Apply your sunscreen before you go out. [15] X Research source
- Sunscreen on the skin should be applied 30 minutes before you go out into the sun. Lip sunscreen should be applied 45-60 minutes before going into the sun. [16] X Trustworthy Source Mayo Clinic Educational website from one of the world's leading hospitals Go to source
- Sunscreen needs to :"cure" on the skin to be fully effective. This is especially important in the water-resistance factor. If you put on sunscreen and jump into the pool 5 minutes later, much of your protection will be lost.
- This is also very important for caring for children. Children are usually wriggly and impatient, and are usually doubly so when excited about an outdoor adventure; after all, who can stand still when the ocean is right there ? Instead, try to sunscreen before leaving the house, or in the parking lot, or waiting for the bus.
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Use enough. One of the biggest mistakes in using sunscreen is to not use enough. Adults usually need about one ounce -- a palm-ful, or about a shot glass full -- of sunscreen to cover exposed skin. [17] X Research source
- To apply cream or gel sunscreen, squeeze a dollop into your palm. Spread it all over the skin that will be exposed to the sun. Rub the sunscreen into your skin until you can't see the white anymore.
- To apply spray sunscreen, hold the bottle upright and move the bottle back and forth across your skin. Apply an even, generous coating. Make sure the wind doesn’t blow the sunscreen away before it contacts your skin. Don’t inhale spray sunscreen. Be careful when applying spray sunscreens around the face, especially around children.
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Apply sunscreen to all skin. Remember areas like your ears, neck, the tops of your feet and hands, and even the part in your hair. Any skin that will be exposed to sunlight should be covered with sunscreen.
- It can be hard to fully cover hard-to-reach areas such as your back. Ask someone to help you apply sunscreen to these areas.
- Thin clothing often doesn’t offer much sun protection. For example, a white t-shirt has an SPF of just 7. Wear clothing designed to block UV rays, or wear sunblock under your clothes. [18] X Research source
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Don’t forget your face. Your face needs even more sunscreen than the rest of your body, as many skin cancers occur on the face, especially on or around the nose. Some cosmetics or lotions may contain sunscreen. However, if you’re going to be outside for more than 20 minutes (total, not at a time) you’ll want to apply a facial sunscreen too.
- Many facial sunscreens come in cream or lotion form. If you use a spray sunscreen, spray it into your hands first, then apply it to your face. It's best to avoid spray sunscreens on the face if possible.
- The Skin Cancer Foundation has a searchable list of recommended facial sunscreens. [19] X Research source
- Use a lip balm or lip sunscreen with an SPF of at least 15 on your lips.
- If you are bald or have thin hair, remember to apply sunscreen to your head, too. You can also wear a hat to help protect against sun damage. [20] X Trustworthy Source Mayo Clinic Educational website from one of the world's leading hospitals Go to source
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Reapply after 15-30 minutes. Studies have shown that re-applying your sunscreen after about 15-30 minutes after going into the sun is more protective than waiting 2 hours. [21] X Trustworthy Source PubMed Central Journal archive from the U.S. National Institutes of Health Go to source
- Once you’ve done this initial reapplication, re-apply sunscreen every 2 hours or as directed on the label.
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Stay in the shade. Even when you’re wearing sunscreen, you’ll still be exposed to the sun’s powerful rays. Staying in the shade or using a sun umbrella will help protect you from sun damage. [22] X Trustworthy Source Centers for Disease Control and Prevention Main public health institute for the US, run by the Dept. of Health and Human Services Go to source
- Avoid “peak hours.” The sun is highest between 10AM and 2 PM. If you can, avoid sun exposure during this time. Seek shade if you’re out and about during this time.
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Wear protective clothing. Not all clothing is created equal. However, long-sleeved shirts and long pants can help protect your skin from sun damage. Wear a hat to offer your face extra shade and protect your scalp. [23] X Trustworthy Source Centers for Disease Control and Prevention Main public health institute for the US, run by the Dept. of Health and Human Services Go to source
- Look for tightly-woven fabric and dark colors, which offer the most protection. For people who are very active outdoors, there is special clothing with built-in sun-protection, available at specialty stores or online.
- Remember those sunglasses! The sun’s UV rays can cause cataracts, so purchase a pair that block UVB and UVA rays.
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Keep young children out of the sun. Sun exposure, especially during the “peak” hours of 10 AM to 2 PM, is especially harmful to young children. Look for sunscreens specifically made for children and babies. Consult with your pediatrician to determine what is safe for your child.
- Infants under the age of 6 months should not wear sunscreen or be exposed to direct sunlight. Young babies’ skin is not mature yet, so they may absorb more of the chemicals in sunscreen. If you must take young infants outside, keep them in the shade. [24] X Trustworthy Source US Food and Drug Administration U.S. government agency responsible for promoting public health Go to source
- If your baby is older than 6 months, use a broad-spectrum sunscreen with an SPF of at least 30. Be careful when applying sunscreen near the eyes. [25] X Trustworthy Source HealthyChildren.org Health information from the American Academy of Pediatrics. Go to source
- Dress young children in sun-protective clothing, such as hats, long-sleeved sun shirts or lightweight long pants. [26] X Trustworthy Source US Food and Drug Administration U.S. government agency responsible for promoting public health Go to source
- Get your child sunglasses with UV protection. [27] X Trustworthy Source HealthyChildren.org Health information from the American Academy of Pediatrics. Go to source
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Expert Q&A
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QuestionWhen can my toddler wear sunscreen?Dr. Lydia Shedlofsky is a Resident Dermatologist who joined Affiliated Dermatology in July of 2019 after completing a traditional rotating internship at Larkin Community Hospital in Miami, Florida. She earned a Bachelor of Science in Biology at Guilford College in Greensboro, North Carolina. After graduation, she moved to Beira, Mozambique, and worked as a research assistant and intern at a free clinic. She completed a Post-Baccalaureate program and subsequently earned a Master's Degree in Medical Education and a Doctorate of Osteopathic Medicine (DO) from the Lake Erie College of Osteopathic Medicine.A mineral-based sunscreen with a minimum of SPF 30 should be applied every 2-3 hours when in the sun. Keep your child in the shade as much as possible and minimize direct sunlight during the hours of 10am and 2pm –the time of day when the UV radiation from the sun is the strongest.
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QuestionWhat can I use instead of sunscreen?Dr. Margareth Pierre-Louis is a board certified Dermatologist and Dermatopathologist, Physician Entrepreneur, and the Founder of Twin Cities Dermatology Center and Equation Skin Care in Minneapolis, Minnesota. Twin Cities Dermatology Center is a comprehensive dermatology clinic treating patients of all ages through clinical dermatology, cosmetic dermatology, and telemedicine. Equation Skin Care was created to provide the best in evidence-based, natural skin care products. Dr. Pierre-Louis earned a BS in Biology and an MBA from Duke University, an MD from the University of North Carolina at Chapel Hill, completed a residency in dermatology at the University of Minnesota, and completed a dermatopathology fellowship at Washington University in St Louis. Dr. Pierre-Louis is board certified in dermatology, cutaneous surgery, and dermatopathology by the American Boards of Dermatology and Pathology.There are some moderately-effective substitutes out there, but there's no real replacement for sunscreen. Sunscreen is one of the most important elements of skin care. It will reduce the odds that you get skin cancer, keep your skin from drying out, and prevent sunburn. It is seriously essential that you wear sunscreen if you're going outside for an extended period of time!
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QuestionHow much SPF should I use for my face?Kelly is the lead makeup artist and educator of the Soyi Makeup and Hair team that is based in the San Francisco Bay Area. Soyi Makeup and Hair specializes in wedding and event makeup and hair. Over the past 5 years, the team has created bridal looks for over 800 brides in America, Asia, and Europe.For daily use, stick with sunscreens that have SPF 30 so you stay protected from the sun.
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Tips
- Even if you apply sunscreen, do not overexpose yourself in the sun.Thanks
- Buy a special sunscreen for your face. If you have oily skin or tend to get clogged pores, look for “oil-free” or “noncomedogenic” sunscreens. Special formulas are available for sensitive skin.Thanks
- Reapply sunscreen after getting wet, every 2 hours, or as directed on the label. Sunscreen isn’t a “one and done” product.Thanks
Tips from our Readers
The advice in this section is based on the lived experiences of wikiHow readers like you. If you have a helpful tip you’d like to share on wikiHow, please submit it in the field below.
- Remember, if you have fair skin, you'll burn more quickly than someone with a darker complexion. Apply your sunscreen accordingly!
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Warnings
- There is no such thing as a “safe” suntan. UV light from tanning beds and natural sunlight causes skin cancer. A golden tan may look great, but it isn’t worth your life. Consider alternatives such as a spray tan.Thanks
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References
- ↑ https://www.cdc.gov/skin-cancer/sun-safety/index.html
- ↑ http://www.webmd.com/beauty/sun/high-spf-sunscreens-are-they-better
- ↑ http://www.webmd.com/beauty/sun/high-spf-sunscreens-are-they-better
- ↑ Kelly Chu. Professional Makeup Artist. Expert Interview. 9 May 2019.
- ↑ Kelly Chu. Professional Makeup Artist. Expert Interview. 9 May 2019.
- ↑ http://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/best-sunscreen/art-20045110
- ↑ http://www.webmd.com/beauty/sun/high-spf-sunscreens-are-they-better
- ↑ Kelly Chu. Professional Makeup Artist. Expert Interview. 9 May 2019.
- ↑ http://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/best-sunscreen/art-20045110?pg=2
- ↑ http://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/best-sunscreen/art-20045110?pg=2
- ↑ http://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/best-sunscreen/art-20045110?pg=2
- ↑ http://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/best-sunscreen/art-20045110?pg=2
- ↑ http://www.mayoclinic.org/drugs-supplements/sunscreen-agent-topical-application-route/proper-use/drg-20070255
- ↑ http://www.skincancer.org/prevention/sun-protection/sunscreen/sunscreens-explained
- ↑ http://www.skincancer.org/prevention/sun-protection/sunscreen/sunscreens-explained
- ↑ http://www.mayoclinic.org/drugs-supplements/sunscreen-agent-topical-application-route/proper-use/drg-20070255
- ↑ http://www.skincancer.org/prevention/sun-protection/sunscreen/sunscreens-explained
- ↑ http://www.cnn.com/2012/07/10/living/guide-to-sun-safety/
- ↑ http://www.skincancer.org/products?SubCategoryId=3
- ↑ http://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/best-sunscreen/art-20045110?pg=2
- ↑ http://www.ncbi.nlm.nih.gov/pubmed/11712033
- ↑ https://www.cdc.gov/skin-cancer/sun-safety/index.html
- ↑ https://www.cdc.gov/skin-cancer/sun-safety/index.html
- ↑ http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm309136.htm
- ↑ https://www.healthychildren.org/English/safety-prevention/at-play/Pages/Sun-Safety.aspx
- ↑ http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm309136.htm
- ↑ https://www.healthychildren.org/English/safety-prevention/at-play/Pages/Sun-Safety.aspx
About This Article
Article Summary
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Apply your sunscreen at least 30 minutes before you go out into the sun to ensure it has time to bind to your skin. For adults, use about a shot glass full of sunscreen to ensure you get adequate coverage. Rub a thick layer of sunscreen onto any sun that will be exposed to the skin. If your sunscreen comes in spray form, move the bottle back and forth as you spray to ensure even coverage. If you need to, ask someone to help you apply the sunscreen onto hard-to-reach areas like your back. Keep reading for tips from our medical reviewer on choosing the right sunscreen!
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- "It really helped me a lot, because I did not know about reapplying sunscreen every 2 hours, nor did I know about there being sunscreen for oily skin. I also did not know that black umbrellas and dark hats are good protection against UVB rays. I loved this article, because it was very informative!" ..." more
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"It really helped me a lot, because I did not know about reapplying sunscreen every 2 hours, nor did I know about there being sunscreen for oily skin. I also did not know that black umbrellas and dark hats are good protection against UVB rays. I loved this article, because it was very informative!"
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"Man, I didn't realize that putting sun cream took a lot of effort. I really enjoyed it, but I would rather just pick a random sun cream and put it all over my body."
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"I has no idea about the curing on skin, as well as Broad Spectrum lotions and the wrong idea about SPF. This is very informative. "
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"The most helpful part was that I should apply a generous amount of SPF to protect my skin, not just a thin layer."
