How do the skin resist the sun light?
How
do the skin resist the sun light?
The skin has some tissues to protect the sun light. And there are some advice for sunburn.
Hair
Block and scatter the sun light
Membrane
It is one kind of lipid covered out of the
skin. It helps to reflect and absorb the sun light.
Sweat gland
The sweat gland excretes the lipid and wet
the skin.
Stratum corneum
This layer will become thicker with
melanin.
Epidermal cell
DNA will try to recover the oxygen system
The three stages of erythema
Stage I: The symptom is not visible to the naked eye. But the
substances are released by the blood vessel dilatation due to the stimulation.
Stage II: The appearance of skin is turned
to red markedly and feels uncomfortable.
Stage III: The desquamations of skin are the damaged cells and they prevent the advanced
sunburn.
How to prevent sunburn
1.
Block : wear clothes to protect
the sun light
2.
Reduce: apply the moisture and
sun block lotions
3.
Release: minimize swelling and
reduce redness
4. Restore:
supply the nutrition to help the metabolism---------------------------------------------------------------------------------------------
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