The,sun,protection,effect,glut health The sun protection effect of glutathione
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Skin by UV irradiation, the basal layer of the epidermis melaninformed, the biochemical processes tyrosinase activity in cells, inducedtyrosine oxidation polymerization melanin; directly promote increasedmelanocytes and accelerate the transfer to the epidermis, so that darkening theskin. UV can cause sunburn, inflammation. Caused the degeneration of collagen fibersin the skin, rough skin, cause small wrinkles. Under in human photosensitivitysubstance conditions, sometimes may induce photochemical toxicity, allergy.However, UV enables dehydrogenation cholesteryl into vitamin D, to promote thebody metabolism, have sterilization, disinfection effect. Overall, the UVcertain physiological effects on the human body; excessive sun can damage theskin, affecting skin appearance.The length of time under the sun have adifferent reaction to the body, suitable exposure to the sun is good for humanbody, but overexposure to the sun is harmful to humans. Part of the sun'sultraviolet rays can make the skin dermis gradually harden, dry skin, loss ofelasticity, accelerate aging wrinkles, make the skin surface show up red stain,have a burning feeling, or swelling and even blistering, peeling, and even causedskin cancer. In addition, facial freckles aggravated due to the sunlight. Theacne patients under the sun will stimulate acne top oxidation, then becomeblackheads leave scars.Products for preventing sunburn, from therecipe structure speaking, primarily to add a variety of sunscreen agents in variousmatrix. The sunscreen can divide into two categories. One is capable of beingdispersed the substance above in the skin, such as titanium dioxide, zincoxide, kaolin, calcium carbonate, talc, etc., such sunscreens is mainly reducedby scattering ultraviolet contact with the skin, and to prevent the ultravioletradiation on the skin; another is the substance which can absorb ultraviolet,such as salicylic acid menthyl acetate, menthyl benzoate, salicylic acid,benzyl ester, p-amino benzoic acid ethyl ester or the like. The molecules ofthese UV absorbers can absorb ultraviolet energy, and then release heat orharmless visible effect, and to protect the human skin from UV damage, modernsunscreen cosmetics and sunscreen are mainly use this substances.The glutathionemanufacturer is apply glutathione in sunscreen cosmetics, found that glutathionehave defense effect on ultraviolet reduce skin immunity. In the experiment of thecells were irradiated with UV, compared with sunscreen adding glutathione anddo not add glutathione, add glutathione is 1.5 times larger effect of defense approximately.Glutathione prevents skin immune function from UV damage, has successfullyproduced a stable sunscreens which can prevent reducing immunity.Glutathione is a white crystalline powder,can dissolve in water, insoluble in alcohol, ether, acetone. Can with lecithinsynthesis liposomes, used with the a-hydroxy acid can effective in conditioningthe skin and insulation, glutathiones mercapto group can form a crosslinkingbond with cysteine thiol grouping in the hair, often sharedwith a cationic polymer in perming agents, the hair tissue destruction is less.Glutathione used as cosmetic raw material is more common, andeasy to use, it is an ideal cosmetic sunscreens worth promoting.Source:http://www.cosprm.com
The,sun,protection,effect,glut