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SUN PROTECTION PRODUCTS FAQ

 

Q: What is the difference between a sunblock and sunscreen

A: The difference is in the way they work and the type of UV protection they provide. Sunblocks stop UV rays penetrating the skin by adding a layer on the skin surface. Sunscreens penetrate to deep layers of the skin and reflect harmful rays. More on sunblocks and sunscreens


Q: Do you need to use sunscreen if you have dark skin or already have a tan?

A: Yes, Even people with deeply pigmented skin, who rarely burn should use a broad spectrum sunscreen all of the time when exposed to the sun.


Q: What is SPF?

A: SPF is an acronym for sun protection factor.


Q: What factor and what filter should I choose?

A : SPF15 is enough for everyday use.

Use a SPF30-45 stick applicator for shoulders, nose, lips and ear lobes.

Skin Type (complexion) Sunscreen Agent
Very fair-Always burns easily; rarely tans
Use SPF 20 to 30
Fair-Always burns easily; tans minimally Use SPF 12 to 20
Light-Burns moderately; tans gradually (light brown) Use SPF 8 to 12
Medium-Burns minimally; always tans well (moderate brown) Use SPF 4 to 8
Dark-Rarely burns; tans profusely (dark brown) Use SPF 2 to 4
Children and adults who suffer from eczema Use Min. SPF 25

Q: Does a sunscreen with an SPF of 30 provide twice the protection as one that has an SPF of 15?

A: No, a sunscreen with an SPF2 sunscreen provides protection against 50% of UVB rays; SPF of 15 provides protection against 93% of UVB rays, while one with an SPF of 30 provides 97% protection. Be sure to use a sunscreen of at least 15-30 SPF. Many experts question whether using a sunscreen above SPF 30 actuallyprovides much more protection, since you are already blocking 97% of UVB rays.


Q: Do you have to reapply sunscreen that is 'waterproof' or claims 'all day protection'?

A: Yes, no sunscreen is truly waterproof; only water resistant. This means they still need to be reapplied every few hours or according to the manufacturer's instructions. Likewise, no sunscreen really provides all day protection. An SPF of 50+ should still be reapplied every 2 hours, or sooner if you have been in the water or sweating a lot.


Q: Does using a sunscreen or sunblock prevent my body from being able to manufacture Vitamin D.

A: The amount of sun exposure needed to get enough Vitamin D is minimal, 5-15 minutes a day.


Q: When should you apply sunscreen?

A: You should apply your sunscreen 15-30 minutes BEFORE being exposed to the sun. It takes time for the sunscreen to be absorbed by your skin.


Q: Can you get a sunburn on a cloudy day?

A: Yes, clouds do NOT block the UV rays that cause sunburn. UV rays can also be reflected off water, sand, snow, and concrete, so you need to apply to areas such as under the chin, that you think may not get exposed.


Q: Can you use the sunblock cream left over from last year?

A: Not with safety. Any product with a shelf life of more than two-and-a-half years, does not require an expiry date; so you don’t really know how old the product is when you buy it. A good test is to look and smell. If it separates, or smells off it is contaminated or destroyed in some way so should be discarded. TIP: Don’t leave sunblock creams and other creams in the sun. This decreases their life. Keep it in the refrigerator, when not in use.


 
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