Look for bumps or sores that don't heal or for moles that have changed size, color or shape. When caught early, most cases of skin cancer can be cured. Sun Safety This webpage lists historical information about the SunWise program, as well as links to additional sun safety resources. This information helps people plan how to protect themselves from the sun.
The FDA sets rules for the product labeling and advertising of sunscreens. The FDA ensures that the sun Protection Factor SPF for sunscreen is clearly written on its label and that consumers can easily understand the labelling and instructions.
Sunscreen: How to Help Protect Your Skin from the Sun This webpage explains how to read a sunscreen label and provides basic information about sunscreen use.
Skip to main content. Contact Us. You can also consider UV window film for your home and car. Make it a way of life. Avoid indoor tanning entirely. The Facts. The Risks. How They Affect You.
What is UV radiation? What is at stake? Two types of UV light are proven to contribute to the risk for skin cancer: Ultraviolet A UVA has a longer wavelength, and is associated with skin aging. Ultraviolet B UVB has a shorter wavelength and is associated with skin burning. What you need to know. A majority of nonmelanoma skin cancers NMSC and a large percentage of melanomas are associated with exposure to UV radiation from the sun. UV exposure is a powerful attack on the skin, creating damage that can range from premature wrinkles to dangerous skin cancer.
Damage from UV exposure is cumulative and increases your skin cancer risk over time. The unrepaired damage builds up over time and triggers mutations that cause skin cells to multiply rapidly. That can lead to malignant tumors. The degree of damage depends on the intensity of UV rays and the length of time your skin has been exposed without protection. Location is also a factor. If you live where the sun is strong year-round, your exposure level and risk increases.
In addition, UV light is more intense at high altitudes. Use sunscreen frequently and generously. About 15 to 30 minutes before going outdoors, apply sunscreen generously on skin that won't be protected by clothing. Put on more sunscreen every 2 hours and after swimming or sweating. If you're also using insect repellent, apply the sunscreen first. The American Academy of Dermatology does not recommend products that combine an insect repellent with a sunscreen.
The Food and Drug Administration requires all sunscreen to retain its original strength for at least three years. Check the sunscreen labels for directions on storing and expiration dates. Throw away sunscreen if it's expired or more than three years old. Protect babies and toddlers. The American Academy of Pediatrics recommends using other forms of sun protection, such as shade or clothing, for babies under 6 months. When that's not possible, apply sunscreen with at least 15 SPF to the face and back of the hands.
The American Academy of Dermatology recommends not using sunscreen on children under 6 months. Keep them cool, hydrated and out of direct sunlight.
If sun protective clothing and shade aren't available, consider using sunscreen on babies and toddlers. Use products that contain physical blockers titanium oxide, zinc oxide , as they may cause less skin irritation. Is simply a ratio of the number of minutes that you can stay outside with the product on before getting minimal redness to the skin.
And Dr. Dawn Davis, a Mayo Clinic dermatologist, says preventing that painful redness is one of the biggest factors in preventing skin cancer. Davis recommends a minimum of SPF 30, which theoretically means you could stay protected from UV rays 30 times longer than without sunscreen.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version. This content does not have an Arabic version. Overview Sunburn is red, painful skin that feels hot to the touch. Request an Appointment at Mayo Clinic. Skin layers and melanin Open pop-up dialog box Close. Skin layers and melanin Melanin is a natural pigment that gives your skin its color.
You're heading to the pool or beach, and you stop to pick up some sunscreen. So how do sunscreen brands calculate an SPF? More Information Tanning: Does a base tan prevent sunburn? Share on: Facebook Twitter. Show references Young AR, et al. Accessed April 22, Baron ED. Selection of sunscreen and sun-protective measures. Chien AL, et al. Geller AC, et al. Primary prevention of melanoma. Jameson JL, et al.
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