Sunscreen may reduce the sun's adverse effects. A sunscreen that is high in UVA radiation enables significantly higher vitamin D synthesis than a low UVA protection factor sunscreen, reveals a new study.
In a new British Journal of Dermatology study, however, investigators recorded an increase of vitamin D in participants during a week of cloudless weather, with very high UV index, even when sunscreens were used properly and prevented sunburn.
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‘Sunscreens can help prevent sunburn, but allow vitamin D synthesis. A higher UVA‐PF sunscreen enables higher vitamin D synthesis than a sunscreen that is low in UVA‐PF.’
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Sunlight contains UVA and UVB radiation, and the latter is essential for vitamin D synthesis. Two sunscreens with the same SPF were compared.
Sunscreen with a high UVA protection factor enabled significantly higher vitamin D synthesis than a low UVA protection factor sunscreen, likely because it allows more UVB transmission.
![DNA Sunscreen Protects Skin, Keeps Skin Hydrated]( "DNA Sunscreen Protects Skin, Keeps Skin Hydrated")
Thin DNA films irradiated with UV rays were designed to be applied as a sunscreen that would protect the skin from DNA damage.
The findings indicate that the benefits of sunscreen use can be obtained without compromising vitamin D levels.
"Sunlight is the main source of vitamin D. Sunscreens can prevent sunburn and skin cancer, but there has been a lot of uncertainty about the effects of sunscreens on vitamin D," said lead author Prof. Antony Young, of King's College London.
"Our study, during a week of perfect weather in Tenerife, showed that sunscreens, even when used optimally to prevent sunburn, allowed excellent vitamin D synthesis."
Source: Eurekalert
DNA Sunscreen Protects Skin, Keeps Skin Hydrated
Thin DNA films irradiated with UV rays were designed to be applied as a sunscreen that would protect the skin from DNA damage.
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The findings indicate that the benefits of sunscreen use can be obtained without compromising vitamin D levels.
"Sunlight is the main source of vitamin D. Sunscreens can prevent sunburn and skin cancer, but there has been a lot of uncertainty about the effects of sunscreens on vitamin D," said lead author Prof. Antony Young, of King's College London.
"Our study, during a week of perfect weather in Tenerife, showed that sunscreens, even when used optimally to prevent sunburn, allowed excellent vitamin D synthesis."
Source: Eurekalert
Can Excessive Use of Sunscreen Cause Vitamin D Deficiency?
Widespread vitamin D deficiency could be due to overuse of sunscreen, restricting exposure to the sun and preventing synthesis of vitamin D.
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 Avoid Tanning : Avert Risk of Early Skin Aging, Higher Skin Cancer RiskRadiation from the sun or tanning sessions can hasten skin aging and increase skin cancer risk in the long run. | Advertisement
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