Distinction between SPF/PA terms

by UVB

Until the skin turns red

Meaning of time do.

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SPF50+ is the maximum is

The higher the number, the

It means it doesn't turn red for a long time.

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However, many sunscreens contain

To block SPF

absorbent I am using...

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in other words The higher the SPF value, the

absorbed into the skin

Since it means that the amount of chemical substances increases

Skin irritation may be higher. .

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So, the numbers are blindly

It's not about choosing the high one.

It is appropriate to use what fits the situation.

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10 to 30 levels when engaging in indoor activities

30 when going out for a short while

Out all day or

When enjoying leisure activities, 50 or more

Choosing it is the appropriate choice.

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Affects melasma, skin cancer, and skin aging

UVA blocking power It refers to.

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The highest figure is PA++++ It is.

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The higher the number

Having high blocking power silver

It is the same as SPF.

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UVA reaches the Earth

The longest wavelength of ultraviolet rays

I have it.

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So even if you are indoors

It penetrates the glass window and reaches the skin.

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Therefore, even indoors

The point is that you have to apply sunscreen.

It has been consistently released.