I am a silicone oil, hair loss can not blame me!-Iota

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News > Dynamic industry > I am a silicone oil, hair loss can not blame me!

I am a silicone oil, hair loss can not blame me!

Silicone professional statement
Silicone, Chinese often called silicone, Taiwan compatriots will be translated into dimethicone or silicone (which is the English pronunciation literally). The commonly called silicone oil is known for silicone products in part. Specifically, silicone products include polydimethylsiloxane (PDMS, wide range of applications), cyclic polydimethylsiloxane (such as D4, D5, D6), emulsified oil (shampoo used) This is often referred to as three silicone oil. Another silicone waxes, silicone elastomer silicone products. Although not very scientific, but for convenience, and the words density reasons (no explanation), the following article will unify these silicone products called silicone oil.

History silicone oil
Silicone first developed for military purposes at the time of the Second World War. Application of silicone oil in the cosmetics industry also has several decades of history, silicone oil as early as last year 1970 applied to shampoo and deodorant antiperspirant products. After decades of development, in cosmetics or personal care products wide range of applications, particularly skin care products, make-up products using silicone. So widely used silicone products (hereinafter replaced with silicone oil), whether it is human security? The special nature of the silicone is too professional stuff will not elaborate here, so simply look at the nature of silicone concept: the structure is very stable and difficult to degrade, the reaction becomes difficult to occur under normal conditions and other substances. Meanwhile bond between the flexible, it is easy to move, low surface tension, so smooth is the most common in nature. It also has a gas-permeable but waterproof. All walks of life it is an indispensable material. For human safety studies currently considered polydimethylsiloxane silicone oil (PDMS) is not substantially absorbed by human skin and the gastrointestinal, almost no acute toxicity, skin almost no stimulating effect on eye irritation It can cause mild conjunctivitis or red meningitis. No evidence of teratogenic polydimethylsiloxane, carcinogenicity and genotoxicity. Reason to believe, PDMS under the existing normal use, will not pose a health hazard.
The silicone oil causes hair loss statement, nor rigorous. After using shampoo cause hair loss, a phenomenon indeed, but the cause is likely to be a preservative, flavor may be, there may be other surfactants, silicone oil is only a possibility. If one day you use the A-branded products hair loss, for the same brand with the B-containing silicone not hair after shampoo, do you think is the cause of silicone it? On the contrary, my personal experience is that the use of some shampoos containing silicone oil is no problem, but the use of a section of the country after no silicone shampoo hair brush to drop. It is often reported that silicone oil lead to hair loss, there is no scientific basis. Silicone containing shampoo cause hair loss, you need to consider is the problem of the product, rather than make a component inside - silicone oil as a scapegoat.

Impurities affect the safety of silicone oil with a number of raw materials, as in a variety of silicone products, many are not completely 100% pure substances, there are some impurities in it. There is a notable impurity D4 (add, D4 is ring four polydimethylsiloxane abbreviation, D5, D6 infer). D4 is a synthesis of these silicone monomers, formed by ring-opening polymerization of various kinds of organosilicon compounds. However, in the synthesis of various types of silicone oil in the production process, it is difficult to D4 100% completely reacted, so there will be some residual D4 of silicone products (D4 chemical structure as shown below). D4 have any effect on the human body do? As a cyclic silicone oil, which is highly volatile, easily inhaled. According to the report D4 may affect human reproductive capacity, but there is no long-term study data can be 100 percent support this conclusion. At present, the cosmetics industry has been in action, Europe for silicone and D4 conduct further safety assessment. Major cosmetics companies will in some silicone raw materials required to provide residual amount of D4, D4 and raw materials for the remaining standard control. Some content may D4 silicone products up to 1%, 0.1% or less if the control or less, security problems arising will be much less. Just D4, D5, there are some security issues. Note, D5 is not residual, cosmetic ingredients for use. Due to highly volatile, D5 skin care products made in the use phase, D5 will evaporate quickly, you can create the illusion of easy to absorb, this simple and crude "easily absorbed" technology allows its use in skin care products is very wide. But the large multinational cosmetics company in the search for alternative ingredients D5 to reduce security worries, this is a caution in pregnant women cosmetic ingredients: ring five polydimethylsiloxane. About D5, fights abroad there are a lot more action. In China, although major brands cosmetics companies also implement a global approach, but did not seem so urgent. Therefore, D5 is common in many big brand products. The main supplier of silicone oil in recent years after the construction of factories in operation in the country, it is the price of low D5 down, and this is simply the D5 into a cheap raw materials, easy to control costs formulator okay. Although most cosmetic raw materials prices, but the D5, is down over the price.

Summary of silicone security:
In general, silicone itself is safe, harmless. However, residual products D4, there may be a potential safety problem. The D5 out because of concerns about security issues may be replaced within 10 years will fall. Which products in containing D4, D5? D4 is residual impurities, not on the ingredient list. But in skin care products, shampoo, hair conditioner, make-up products are likely to have minimal residual, and different silicone oil (silicone) is not the same number of residual D4. But whether trace residues can cause human health problems, which are not necessarily. But is always better, sight as SLES in dioxane. For D5, you see there is no written "ring five polydimethylsiloxane" on the ingredient list, if there is, that is it. Look is not all in the ingredient list by the front row? Yes, it is often added goods than more formulators. Silicone oils and cosmetics industry development:
In the long run, the silicone oil for use in cosmetics may be gradually reduced (if natural cosmetics can be the dominant words). A well-known supplier of silicone 已把 main business of silicone oil on industrial applications, and not in the cosmetics industry. For one thing, the amount of silicone oil used in the cosmetics industry is less than the amount of industrial uses, and secondly also out of consideration for human safety and consumer awareness for the safety of cosmetics, as well as a little as a synthetic nature itself does not exist The substance, its impact on the environment, but also among the factors to be considered, after the impact of silicone on aquatic organisms, self-degradation and other issues in foreign countries there are people clamoring clamor.

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