sunblock


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sunblock

also

sun block

(sŭn′blŏk′)
n.
A chemical preparation, such as zinc oxide, that is applied to the skin to protect it from the ultraviolet rays of the sun.

sunblock

Public health An opaque substance, usually formulated from zinc or titanium oxides, designed to completely prevent solar radiation from reaching the skin. See SPF rating. Cf Sunscreen.

Patient discussion about sunblock

Q. what does a sun block cream do? and what are a UV rays?

A. It blocks out harmful Ultra violet rays from the skin as the previous entries have related; however it can also block your ability to produce vitamin D. If you live in a northerly area or one that receives limited sunlight, its recommended to get at least 15 minutes of sun a day (this is probably best done with minimal sunblock) and according to personnal sun sensitivity. Another thing to keep in mind is that sunblock works best if applied 20 minutes before sun exposure.

More discussions about sunblock
References in periodicals archive ?
And Hawaiian Tropic has a new SPF 45 spray sunblock. Called Sun Junk, the product, which is also available in stick form, is aimed at the tween generation (those from ages 8 to 12).
Reapply water-resistant sunblock after getting wet and toweling off.
The level and ingredients of sunscreen or sunblock are as important as using it.
It is a gauge of how well a sunblock protects you against UVB.
In a short ceremony at Camp Crame, RiteMed gave 200 medicine packs, DermPlus donated sachets of sunblock lotions, while K Servico Trade Inc.
n SPF 50: the minimum amount of protection that should be in your sunblock
* Ultra-sheer Sun Wear Daily Sunblock Lotion, in SPF 50.
Stick to keeping your nails short and painting them with one coat of a pretty neutral like Essie Limo-Scene topped with one coat of Essie Sunblock Top Coat ($8 each, essie.com) to keep your polish from yellowing.
THE LINE ALSO FEATURES LAVENDER EVERYDAY CALMING LOTION, CALENDULA EXTRA RICH THERAPY CREME, DIAPER RELIEF OINTMENT, CHEMICAL-FREE SUNBLOCK AND MULTIPURPOSE BABY OIL: PRICE POINTS RANGE BETWEEN $7 AND $15.
The other products added to the Banana Boat line are surf sunblock in SPF 30, a sunscreen for water enthusiasts that uses the company's unique AquashieldH2O water-in-silicone emulsion; Suntanicals sunscreen lotion SPF 30 and Suntanicals after-sun lotion, the latest additions to the company's year-old Suntanicals line; Sport Quik Blok 35, a spray lotion; and Sport Quik Dry 30, a fast-drying sunblock for sports enthusiasts.
The Laing Homes trainees were roped into the scheme after research found men considered sunblock to be too "girly" and thought of them as make- up, according to the Royal Society of Chemistry (RSC).
"No one knows for sure why they work," says Schennum, "but they do." Quantum's insect-repellent products, which include a spray ($5.99), towelettes ($7.99 for 12) and a sunblock lotion ($8.99), are widely regarded as some of the best natural varieties available.