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Doctor insights on: Spf 15 Sunscreen

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Can I use a sunscreen with SPF 55 and layer a bb cream with SPF 15 on top?

Can I use a sunscreen with SPF 55 and layer a bb cream with SPF 15 on top?

Decreased SPF: If you layer spf, then end result is usually an average of the 2. For example spf 55 + 15 results in spf 35. ...Read more

Spf (Definition)

Could be; sun protection factor (measures effectiveness of sunscreen), specific pathogen free (for lab animals free of pathogens), or supernatant ...Read more


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19yr old gal oily skin type wid acne.Wen i put any sunscreen my temp. Rises i feel hot n skin becomes red I use SPF 15.

19yr old gal oily skin type wid acne.Wen i put any sunscreen my temp. Rises i feel hot n skin becomes red I use SPF 15.

Skin sensitivity: You may be sensitive to -- or even allergic to -- some of the chemicals in the sun screen you're using. This is not uncommon. Possible culprits may be ingredients like paba and benzophenones -- one of the most common causes of sunscreen-induced contact dermatitis. Check your labels and see what's in the stuff you're rubbing onto your skin. Zinc oxide and titanium dioxide may be less irritating. ...Read more

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If there is SPF 15 with uvb + uva in my aha glycolic acid 4% day cream, does this provide adequate sun protection or should sunscreen be used too?

More sunscreen: That is a low amount of protection. Suitable for only small amounts of sun exposure. If you are in the sun you should use at least spf 30 and go higher the lighter your complexion and longer your sun exposure. ...Read more

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Does more SPF mean better sunscreen?

Does more SPF mean better sunscreen?

Yes and no: 30 is better than 15, but anything over 30 is probably marketing hype rather than any true benefit. ...Read more

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How SPF level sunscreen do I need to protect my skin?

How SPF level sunscreen do I need to protect my skin?

Sunscreen: Sunscreens work via 2 possible ways: 1) chemical blocks that breakdown the uv rays as they pass through the skin and 2) physical blocks that prevent the uv rays from getting to the skin. I recommend the physical blocks (zinc and titanium) because they have a very good safety profile and work very effectively. If you are going to be in the sun - use a minimum of spf 15 - follow product directions. ...Read more

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Can you recommend a good high SPF physical sunscreen?

Can you recommend a good high SPF physical sunscreen?

Many available: There are many products available most however are special dermatology blends. Often sunscreen in the cosmetics are not adequate. PCA makes a nice physical block perfection protection very light. Also skinceuticals they make a nice product. I am not associated with them but elite laser hair is near you they should carry a good product. ...Read more

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What is normal SPF sunscreen required for a 25 year old man?

SPF: Spf means sun protection factor. Really, it's not your age that drives what spf you choose, it's your skin type and tendency to get sunburn. Eg: if you are caucasion and have red hair and lots of freckles, better to go to a high spf, like 50. Studies have not shown a significant increase in protection with products higher than 50. Conversely, if you have darker skin, you don't need that high. ...Read more

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What do the different SPF numbers in sunscreen and letters SPF stand for?

What do the different SPF numbers in sunscreen and letters SPF stand for?

SPF: Spf stands for sun protection factor. The number is determined experimentally indoors by exposing human subjects to a light spectrum meant to mimic noontime sun. Some subjects wear sunscreen and others do not. The amount of light that induces redness in sunscreen-protected skin, divided by the amount of light that induces redness in unprotected skin is the spf. It is mainly a measure of uvb protec. ...Read more

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