Lupus sun protection- sunscreens
What is a sunscreen?
Sunscreen is a product that protects the skin from the damaging effect of Ultraviolet radiation. Sunscreens work by absorbing, reflecting, or scattering the UV radiation.
What is broad spectrum sunscreen?
A broad spectrum/ full spectrum sunscreen protects against UV-A as well as UV-B rays. A routine sunscreen protects well against UV-B but not against UV-A.
What is water-resistant sunscreen?
A water resistant sunscreen maintains the SPF even after 40 minutes of water immersion.
What is SPF?
SPF or sun protection factor is a measure of protection against the UV-B rays. The higher the SPF, better is the protection against UV-B rays. however, this does not mean a longer duration of protection. A 15 SPF product would filter out about 92% of UV-B radiation and 30 & 40 SPF product would filter about 96% & 97% respectively.
Practical tips while using a sunscreen--
- Sunscreen should be applied at least half a hour before going outdoors.
- Use sufficient quantity of sunscreen. About 5-6 teaspoons quantity is sufficient to cover the entire body.
- Sunscreen should be reapplied every two hours once outdoors.
- Apply the sunscreen on a small area of the body to check for sensitivity/ allergy before first use.
- Do not store the sunscreen in places where the temperatures get high as high temperature may change the chemical composition of the sunscreen.
- Use a sunscreen with a SPF of 30 (minimum)
How to protect yourself from the sun?
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