sunscreen

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sunscreen

 [sun´skrēn]
a lotion applied to the skin as protection against sunburn and the harmful effects of ultraviolet radiation. Sunscreens are labeled with a numerical sun protection factor; the higher the number the more protection is afforded. Patients should be cautioned that the sunscreen should be reapplied after swimming or profuse sweating and that sun exposure must still be limited to prevent adverse effects.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

sun·screen

(sŭn'skrēn),
A topical product that protects the skin from ultraviolet-induced erythema and resists washing off; its use also reduces formation of solar keratoses and reduces ultraviolet-B-induced melanoma and nonmelanoma skin cancers and wrinkling.
Farlex Partner Medical Dictionary © Farlex 2012

sunscreen

(sŭn′skrēn′)
n.
A preparation, often in the form of a cream or lotion, used to protect the skin from the damaging ultraviolet rays of the sun.

sun′screen′ing adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
A transparent lotion or cream containing oxybenzone and dioxybenzone, which absorb or scatters UVB light to reduce the risk of actinic-related malignancy and premalignancy
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

sunscreen

Public health A transparent substance lotion or cream containing oxybenzone and dioxybenzone, which absorbs or scatters UVB light, to ↓ the risk of actinic-related CA. See SPF rating Cf Melanoma, Sunblock, Tanning salon, Ultraviolet light.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

sun·screen

(sŭn'skrēn)
A topical product that protects the skin from ultraviolet-induced erythema; its use also reduces formation of solar keratoses and may prevent ultraviolet B-induced skin cancer and wrinkling.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Sunscreen

Products which block the damaging rays of the sun. Good sunscreens contain either para-aminobenzoic acid (PABA) or benzophenone, or both. Sunscreen protection factors range from 2-45.
Mentioned in: Sunburn
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

Patient discussion about sunscreen

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 sunscreen
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References in periodicals archive ?
There are all sorts of regulations about what suncreams are allowed to claim, particularly one about to debut in Australia where no SPF can promise more than four-hour sun protection.
Meanwhile, the places where people are most likely to forget to put suncream are the eyelids, the backs of knees, the ears, the tops of feet, the sides of the face, the hands, the underarms, the scalp, the lips and the area between the chest and neck.
For any shoppers already stocked up with suncream there are plenty of other offers available across different departments.
For dry skin: Solero Anti-Ageing Facial Suncream SPF30, PS4, Lloydspharmacy.com Prevents wrinkles while keeping skin hydrated.
7DAYSCeasked readers how often they use suncream, with 43 per cent of the 503 respondents saying they "never" apply it.
Suncream's Mellow Gold ice cream range now comprises six favourite flavours--the new Lemon, Bubblegum, Vanilla, Strawberry, Chocolate and Raspberry Ripple.
They can survive the full power of the Sun for 18 months, so knowing more could lead to new ingredients for suncream.
Q: Why should I use an SPF 15 or higher suncream? A: We recommend people apply a sunscreen with at least SPF 15 - the higher SPF the better.