The Sun: intro and facts
Lesson by Kimberly St James · 3 years ago ·
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The sun. How does it affect our skin and cause aging?
UV exposure
UV Exposure may result in:
- Lines/wrinkles (may start mid 30's or earlier)
- Loss of tone (Sagging)
- Discolouration (dark spots, uneven tone)
- General surface and deep tissue damage
- Skin sensitivity
- Skin thickening
- Sunburn
- Skin cancer
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The sun's damage is cumulative and it cannot be reversed with skincare products.
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Wearing reliable sun protection every single day of your life can truly prevent wrinkles and photo aging.
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All skins are affected negatively by unprotected sun exposure.
Some myths to consider:
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that it is a good idea to get a 'healthy' base tan before vacation
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sun damage only occurs on sunny days
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only fair skinned people need to practice 'safe sun'
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sunscreen inhibits vitamin D absorption in the skin
Kirk's Quiz
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Does the SPF rate UVB or UVA or both?
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What percentage of the signs of aging can be attributed to external aggressors? 70%? 80%? 90%?
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It is best to apply sunscreen 30 minutes before sun exposure? Y/N
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UVA rays penetrate glass? Y/N
Collaborators
None listed.
License
The Sun: intro and facts by Kimberly St James is licensed under a Creative Commons Attribution License (CC BY), except where otherwise noted.
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