A scale for rating the level of sunburn protection in sunscreen products. The higher the sun protection factor, the more sunburn protection it gives. Sunscreens with a value of 2 through 11 give minimal protection against sunburns. Sunscreens with a value of 12 through 29 give moderate protection. Sun protection factors of 30 or higher give high pr...
Found on
http://www.cancer.gov/dictionary?expand=S
A number on a scale (from 2 upwards) for rating sunscreens. Sunscreens with an spt of 15 or higher provide the best protection from the sun's harmful rays. ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973
(SPF) the ratio between the number of minimal erythema doses required to induce erythema through a film of sunscreen and that for unprotected skin.
Found on
http://www.encyclo.co.uk/local/21001
(SPF) Type: Term Definitions: 1. the ratio of the minimal ultraviolet dose required to produce erythema with and without a sunscreen; highly effective sunscreens have an SPF of 15 or higher.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=31804
A rating for lotions used to protect the skin against sunburn. Abbreviated as SPF. An SPF 10 would mean that anybody who would be burnt in 12 minutes without any protection would be able to last 120 minutes with this level of sun lotion.
Found on
https://www.encyclo.co.uk/local/20687
(SPF) This is a rating given to sun creams. If you normally burn in the sun after 15 minutes with no sun protection, a lotion with an SPF of 4 will allow you to stay out for 4 times as long - or for one hour - without burning. But you have to put a lot of lotion on to get as much protection as the SPF on the bottle indicates. And you have to reappl...
Found on
https://www.encyclo.co.uk/local/20753
SPF noun the degree to which a sunscreen protects the skin from the direct rays of the sun
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.
