ö µ ڿܼ Ǻȯ ִ ñ. ڿܼ Ǹ ϱȭ̳ ȯӸ ƴ϶ Ǻξϰ ȭ ִ. ֱ ߿ Ȱ Բ ڿܼ ܿ ɵ ִ. ڿܼ ս ڿܼ ˾ƺ.
ȭ з
¾籤 忡 ڿܼ, ñ, ܼ , 200~400nm 븦 ڿܼ . ǥ鿡 ϴ ڿܼ ũ 290~320nm ڿܼ B(UVB) 320~400nm ڿܼ A(UVA) µ, UVA ַ ǿ ۿ ȭ, ħ ϸ Ǻξϰ 谡 ִ.
UVB ַ ǥǿ ۿ Ǻι ȫ, , ߿ ϱȭ Ű Ǻξ ִ. ڿܼ A ȫ ɷ ڿܼ B 1,000 ϳ ϴ ڿܼ B 10迡 100 DZ Ƿ ڿܼ B ū ģ.
ڿܼ Ǵ ̳ ǥ ϴµ, 츮 ڿܼ ‘Ǻθ ¿ְų ڿܼκ Ǻθ ȣϴ ִ ǰ’ з ɼ ȭǰ ϳ ϰ, Ѵ.
п ȭ ϱ ϴµ, п ƼŸ̵ ¡ũ̵尡 شǸ, ſó ¾籤 ݻ Ǻθ ȣѴ. , ̸, ӹ ־ ü ٴ 鿡 ȭ ϴٰ ˷ ִ. ̵̳ Ǻΰ ΰ , ڿܼ ˷ ̴ 鿡 ϱ Ź ִ.
ȭ Ź 밨 ݸ, ִ ڿܼ ־ ʼ̴.
SPF PA θ IJ ؾ
ַ 츮 ڿܼ ֵ а SPF , PA , (Water-resistant) θ ȴ. SPF Sun Protection Factor ڷμ ‘ڿܼ ’ ϸ ڿܼ B ȿ ǹѴ.
Ǻλ ̰ ֱ Ȯϰ ġȭϱ , 츮 ٸ SPF 1 20 ð ڿܼ ִٰ ȴ.
PA Protection grade of UVA ڷμ ڿܼ A ǹϸ, ħ ȣ ȿ ǹѴ. PA ȿ +(one plus,) ++(two plus),+++(three plus) ǥϰ, + 찡 캸 2~4 ȣ ȴٴ ̸, ++ 4~8, +++ 8 ̻ ȣ Ÿ.
ϻȰ SPF 15~20, PA ++ ~ +++ Ǵ ǰ̸ ϴ. ڿܼ پ ۿ ڿܼ ȿ , ڱ Ǻο, ˷⼺ Ǻο, ˷⼺ Ǻο ۿ ߵ ֱ SPF PA ٰ ƴϴ.
ų 帰 ؼ ڿܼ κ ʴ. ڿܼ Ϻ 밳 ڿܼ 70~80% 鿡 ϹǷ 帰 ڿܼ ٸ .
ڿܼ ڿܼ ϸ鼭 ȭ Ͼ ð Ǻο ϴ ڿܼ ϰ ǹǷ 2~3ð ݺ ߶ ȿ ִ.
Ͽ ų ؼ Ǵ ϴ 쿡 ǰ ϰ ٸ .
̷δ SPF PA ǰ ð ٸ ʾƵ , Ȳ κ ǰ ξ ġ ϸ, ̳ ڿܼ ŵǴ 쵵 ٸ ǰϰ ִ. ̷ ڿܼ 緮 2/̸, SPF 2/ Ͽ ̴.
κ 緮 ݿ ġ Ѵ. SPF 30 ڿܼ ǰ (1/) ߶ 뷫 1/6 شϴ SPF 5.5 ڿܼ ٸ Ͱ ȿ . ߶־ Ѵ.
TIP)ڿܼ ȶϰ ٸ
➊ ڿܼ B(UVB) ƴ϶ ڿܼ A(UVA) ִ Ѵ.
➋ ߿ Ȱ ÿ SPF 30 ̻ ڿܼ ϰ, PA Ѵ.
➌ 20~30 ƼǬ 1/3 뷮 2ml ӹ Լ, ü ü ٸ.
➍ ̳ ؼ Ƿ 2~3ð ٸ .
➎ ε帮鼭 ٸ β Ÿ ʰ ٸ ִ.
➏ ϴ ڿܼ 60cm ϹǷ Ǵ ڿܼ .
(ѱǰȸ ǰҽ 2017 6ȣ )
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