Skin is action as the primary protective to external stimuli.
the largest among them is the function of the protective effect against UV rays.
In order to protect the skin from UV rays, it makes to weakness ultraviolet through reflection and scattering ultraviolet light from the stratum corneum or skin cell. And it is prevent deep into the skin.
In addition, pigment deposition, it is the symptoms that appears in the course protection to skin which made melanin while absorbing ultraviolet light. Frequent exposure to ultraviolet light increases the level of inflammation in the skin dermis and epidermis, the melanin is created through these inflammatory responses.
Skin symptoms by UV
1. Melasma
It is appears as a light brown or dark brown around the cheekbones, under the eyes, cheeks and forehead. Iit is appears darker if is a dark skin tone, and people with white skin tone will show as the reddish pigmented.
2. Freckles
It is a lot of case which appear through genetic factors it looks like pepper sprayed. it is pigmented disorders caused neck, face, shoulders and back.
It is a darker in summer and it is lighter in winter due to effect on the UV.
Freckles is cure rather than be relapse slowly after 3~5 years. It is important to pay attention as UV exposure in usual and treat according to the treatment time.
It occur as brown spot about 1cm which is appears well in the face and back of the hand exposed constantly to the sun.
4. Age spot
It is pigment deposited through thick keratin and epithelial cells of the skin. It appears on the face and limbs as a brown bumpy pattern. It is known as aging skin pigment disorder it occur aged skin which exposed to ultraviolet light chronically. Initially it looks skin color or light brown it will turn brown and more darker increasingly.
Ingredient of Melanin inhibiting
* Hydroquinone
It is as one of the decolorization whitening agent in globally it is used most frequently.
It is effect that preventing to produce the pigment through prevents the oxidation process required for melanin production.
*Kojic acid
It is a material obtained from the fermented food. It use in cosmetics by get a hint that the hand of the liquor brewing people is bright than general population. It is used as a skin whitening agent ingredient which has ability to inhibit tyrosinase.
* L-ascorbic acid
It is a component for reducing melanin. It is plays an important role in the melanin generation inhibit such as antioxidant, anti-inflammatory and UV protection.
* Arbutin
Arbutin is a hydroquinone modified organisms, it is widely used in cosmetics due to a stable and the whitening ingredient. it is a good effect when used with vitamin A.
It is an important factor for healthy skin.
1. the keratin management as the skin barrier caused by UV light
2. the use of UV blockers for prevent the absorption of ultraviolet
3. the home care of regeneration and moisturizer for create a healthy skin ton
CNP SKIN CLINIC YANGJAE
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