Now, many consumers would like to know more cosmetic knowledge.
On this, Yu Jun, Deputy Director of food and cosmetics in Wuhan supervision, uncovered "problem cosmetics" three of the truth. Yu Jun said, no matter how can cosmetics evolution, it mainly matrix raw materials and auxiliary materials for two broad categories.
Including has: oily raw materials, is cosmetics application most wide of raw materials, in skin care products in the up protection, and wetting and soft skin role; surfactant, can reduce water of surface tension, have to pollution, and wetting, and dispersed, function, was hailed as industrial MSG; moisturizing agent, and is cream cream class cosmetics essential of raw materials, its role is prevent cream body parched, keep skin water; powder material, main for manufacturing powder class products; preservatives, and antioxidant, in cosmetics shelf life within and consumer using process in the Suppression microbial growth; spice, increased cosmetics aroma, improve products worth and so on. the truth: why question cosmetics will bring harm? first, cosmetics contain harmful ingredients. Many things make the skin look good, it hurts the skin functions. Cosmetic poisoning or adverse effects of the real culprits are heavy metals such as mercury, lead, arsenic. There are also preservatives, pigments, enzymes, and can cause adverse reactions.
One of the most important is the excessive heavy metal, because some of the heavy metals can be powerful beauty, but most of it also harm. Second, allergy reaction, this reaction is using has days yihou, skin made red, appears some small rash, even edema; truth II: problem cosmetics why concentrated in whitening performed? Yu Jun describes, some fast whitening performed class cosmetics, class added chemical split agent, class added heavy metal, heavy metal short using can makes skin became is white, long-term using yihou, heavy metal calm, skin lesions.
After the heavy metal, is lead-grey skin, skin black, sometimes are purple or violet blue, some cosmetics also add hormones, early is very delicate, tender, long-term use, it makes the skin is very thin, easily sensitive skin susceptible.
truth three: how judgment using of cosmetics out has problem? long-term using lead, and mercury content exceeded cosmetics of people skin grey, cuticle increased, skin Shang has spots and color ash black; easy long deep dark sore; was Sun as Sun Shi has hot expansion sense, and color spot deepened; long spot parts to cheeks and the Chin, and forehead mostly, especially to malar Department most deep and most serious. Long-term use of hormone-containing cosmetic skin epidermis becomes thinner; appear telangiectasias (red streaks) and recurrent attacks of small papules; formed red facial patch; appear rough skin with thin, scale and pigmentation.