Aging Skin
SUNSCREENS
- Protection only
The sun produces two types of ultraviolet radiation (UVR) that can damage skin:
- UVA which penetrates deeply, causes wrinkles as well as tanning, and may be involved in the development of precancerous skin conditions.
- UVB which penetrates the upper layers of the skin, causes burning and wrinkles and is also involved in the development of precancerous skin conditions.
Possibly the single most important step in correcting years of photoaging is to prevent any further damage from occurring. You can do this simply by avoiding exposure to UVR and by the daily application of a broad-spectrum sunscreen — which absorbs both UVA and UVB rays.
The SPF is a measure of the protection a sunscreen provides. The higher the SPF, the greater the protection. An SPF of 30 means that the time it takes for unprotected skin to burn is extended 30 times.
We are exposed to ultraviolet radiation throughout the day, even when the sun is not shining. That means the use of a sunscreen is essential all year round. Reflection from sand, snow and water can actually increase exposure to UVR. In fact, UVR penetrates clouds and clear water, so you could even get a sunburn in the rain or while swimming!
The best ways to protect against UVR are to:
- Stay out of the sun, especially when it is strongest - between 11 a.m. and 3 p.m.
- Wear long-sleeved tops, and pants or long skirts.
- Avoid loose-weave fabrics which let the sunlight through.
- Wear a broad-brimmed hat to protect both face and neck.
- Use a broad-spectrum sunscreen every day.
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