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*An [[Idealization|ideal]] [[sunscreen]] should have the following properties:
*An [[Idealization|ideal]] [[sunscreen]] should have the following properties:
**[[Broad-spectrum]]
**[[Broad-spectrum]]
**Both [[UVA radiation|UVA]] & [[UVB radiation|UVB]] filters
**Both [[UVA radiation|UVA]] & [[UVB radiation|UVB]] [[Filter (chemistry)|filters]]
**Atleast SPF 30
**Atleast [[SPF]] 30
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*'''[[Strong|Strongly]] recommended'''
*'''[[Strong|Strongly]] recommended'''
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Water]] [[resistance]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Water]] [[resistance]]
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*Sunscreen providing water-resistance for 40-80 minutes must be worn in following conditions:
*[[Sunscreen]] providing [[water]]-[[resistance]] for 40-80 [[Minute|minutes]] must be worn in following [[conditions]]:
**Water immersion
**[[Water]] [[Immersion Therapy|immersion]]
**Excessive sweating
**Excessive [[sweating]]
**Contact with sand
**Contact with sand
**Physical contact causing increased skin friction
**Physical contact [[Causes|causing]] increased [[skin]] [[friction]]
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Organic Chemistry|Organic]] vs [[inorganic]] [[sunscreens]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Organic Chemistry|Organic]] vs [[inorganic]] [[sunscreens]]
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*Whether the components of sunscreen are organic or inorganic, recommended sunscreen must be broad spectrum with both UVA & UVB filters
*Whether the components of [[sunscreen]] are [[Organic Chemistry|organic]] or [[inorganic]], the recommended [[sunscreen]] must be [[broad spectrum]] with both [[UVA radiation|UVA]] & [[UVB radiation|UVB]] [[Filter (chemistry)|filters]]
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Lip]] [[Protecting group|protection]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Lip]] [[Protecting group|protection]]
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*Whole lip should be generously covered by high-SPF (>/= 30) and reapplication of lip sunscreen
*Whole [[lip]] should be generously covered by high-[[SPF]] (>/= 30) and reapplication of [[lip]] [[sunscreen]]
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Sunscreen]] application
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Sunscreen]] application
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*Sunscreen is recommended to be applied according to following guidelines:
*[[Sunscreen]] is recommended to be applied according to the following [[Guideline (medical)|guidelines]]:
**Should be applied liberally (approximately 45 ml) to all the exposed areas
**Should be applied liberally (approximately 45 ml) to all the [[Exposure (photography)|exposed]] [[Area|areas]]
**Strong reapplication within a period of 8 hours is mandatory only after activities that may remove the sunscreen layer such as sweating, swimming, or friction
**[[Strong]] reapplication within a [[period]] of 8 hours is [[Mandatory labelling|mandatory]] only after [[Activities of daily living|activities]] that may remove the [[sunscreen]] layer such as [[sweating]], [[swimming]], or [[friction]]
**Should be applied before any sun exposure and at least 20 minutes before the water activities  
**Should be applied before any [[sun exposure]] and at least 20 [[Minute|minutes]] before the [[water]] [[Activities of daily living|activities]]
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Patient education]] on [[sunscreen]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Patient education]] on [[sunscreen]]
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*Patients should be educated about the meaning of SPF and its effectivesness
*[[Patients]] should be [[Education|educated]] about the [[Mean|meaning]] of [[SPF]] and its [[Effective method|effectiveness]]
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Sunscreen]] [[Safety film|safety]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Sunscreen]] [[Safety film|safety]]
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*Sunscreens have a favorable risk-benefit profile, hence, are considered to be safe overall
*[[Sunscreens]] have a favorable [[RiskMetrics|risk]]-benefit profile, hence, are considered to be safe overall
*There is still a risk of following few complications due to sunscreen application in some people:
*There is still a [[RiskMetrics|risk]] of following [[Fewmets|few]] [[complications]] due to [[sunscreen]] application in some [[People's Solidarity|people]]:
**Photoallergy (most common, but quite rare)
**[[Photoallergy]] (most common, but quite [[rare]])
**Reproductive toxicity
**[[Reproductive]] [[toxicity]]
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Sunscreen]] benefits
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Sunscreen]] benefits
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*Prevents photoaging
*[[Prevention (medical)|Prevents]] photoaging
*Prevents melanoma and non–melanoma skin cancer
*[[Prevention (medical)|Prevents]] [[melanoma]] and non–[[melanoma]] [[skin cancer]]
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Sunscreen]] [[Vehicle extrication|vehicle]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Sunscreen]] [[Vehicle extrication|vehicle]]
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*Highest SPF and water resistance properties of sunscreen can be obtained by using a '''water-in-oil emulsion''' formulation for sunscreens
*Highest [[SPF]] and [[water]] [[resistance]] properties of [[sunscreen]] can be obtained by [[Usage analysis|using]] a '''[[water]]-in-[[oil]] [[emulsion]]''' [[formulation]] for [[sunscreens]]
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*'''Weakly recommended'''
*'''Weakly recommended'''
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Expiration|Expiry]] date
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Expiration|Expiry]] date
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*Avoid using sunscreens past the manufacturer-specified expiry date/recommended period after opening
*Avoid [[Usage analysis|using]] [[sunscreens]] past their manufacturer-[[Specific activity|specified]] [[Expiration|expiry]] date/recommended [[period]] after opening
*Sunscreens should be stored at normal room temperature in order to ensure their proper stability
*[[Sunscreens]] should be [[Storage (memory)|stored]] at [[normal]] [[room temperature]] in order to ensure their proper [[stability]]
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Revision as of 19:56, 1 August 2019


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Mohsin, M.D.[2]



Different sunscreen recommendations and recommendations' grading according to Canadian Task Force on Preventive Health Care (CTFPHC) GRADE System
Sunscreen property Recommendation Grade of Recommendations
SPF (Sun Protection Factor)
Water resistance
Organic vs inorganic sunscreens
Lip protection
  • Whole lip should be generously covered by high-SPF (>/= 30) and reapplication of lip sunscreen
Sunscreen application
Patient education on sunscreen
Sunscreen safety
Sunscreen benefits
Sunscreen vehicle
  • Weakly recommended
Expiry date




References