Sandbox:Sara: Difference between revisions
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*[[Minimum|Minimal]] [[erythema]] [[dose]] ([[MED]]) of [[UVB radiation]] [[Causes|causing]] [[erythema]] after [[Applicability Domain|applying]] 2 mg/cm2 of [[sunscreen]] to [[skin]] [[Division (biology)|divided]] by the [[dose]] [[Product (biology)|producing]] 1 [[MED]] on unprotected [[skin]] | *[[Minimum|Minimal]] [[erythema]] [[dose]] ([[MED]]) of [[UVB radiation]] [[Causes|causing]] [[erythema]] after [[Applicability Domain|applying]] 2 mg/cm2 of [[sunscreen]] to [[skin]] [[Division (biology)|divided]] by the [[dose]] [[Product (biology)|producing]] 1 [[MED]] on unprotected [[skin]] | ||
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* The dose of UVA causing observable pigment darkening (minimal pigment dose [MPD]) after applying 2 mg/cm2 of sunscreen to skin divided by the dose producing 1 MPD on unprotected skin | * The [[Dose (biochemistry)|dose]] of [[UVA radiation|UVA]] [[Causes|causing]] [[observable]] [[pigment]] [[Dark matter|darkening]] ([[Minimum|minimal]] [[pigment]] [[dose]] [MPD]) after applying 2 mg/cm2 of [[sunscreen]] to [[skin]] divided by the [[dose]] [[Product (biology)|producing]] 1 MPD on unprotected [[skin]] | ||
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* The ability of fabrics to prevent UV radiation transmission via absorption and/or reflection and highly dependent on fabric type, color, porosity, thickness, weight, and other factors | * The ability of fabrics to prevent UV radiation transmission via absorption and/or reflection and highly dependent on fabric type, color, porosity, thickness, weight, and other factors | ||
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*[[Sunscreens]] | *[[Sunscreens]] | ||
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* Sunscreens | *[[Sunscreens]] | ||
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* Clothing | * Clothing | ||
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* International | * International | ||
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* United States only | *[[United States]] only | ||
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* International | * International | ||
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*[[UVB radiation|UVB]] | *[[UVB radiation|UVB]] | ||
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* UVA | *[[UVA radiation|UVA]] | ||
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* UVA, UVB | * UVA, UVB | ||
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*[[SPF]] 50 [[Protecting group|protects]] against 98% of [[UVB radiation|UVB]] | *[[SPF]] 50 [[Protecting group|protects]] against 98% of [[UVB radiation|UVB]] | ||
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* | *[[UVA radiation|UVA]]‐PF1 [[Protecting group|protects]] against 20–39% of [[UVA radiation|UVA]] | ||
* | *[[UVA radiation|UVA]]‐PF2 [[Protecting group|protects]] against 40–69% of [[UVA radiation|UVA]] | ||
* | *[[UVA radiation|UVA]]‐PF3 [[Protecting group|protects]] against 70–95% of [[UVA radiation|UVA]] | ||
* | *[[UVA radiation|UVA]]‐PF4 [[Protecting group|protects]] against >95% of [[UVA radiation|UVA]] | ||
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* UPF cotton 5–10 | * UPF cotton 5–10 | ||
Revision as of 18:11, 1 August 2019
| Measurement system | SPF (Sun protection factor) | UVA‐PF (UVA‐protection factor) | UPF (Ultraviolet protection factor) |
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| Definition |
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| Developed for |
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| Global acceptance |
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| UV wavelengths protected |
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| Examples |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Mohsin, M.D.[2]