Silicone oil in the cosmetics industry-Iota

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Service > Silicone oil in the cosmetics industry

Silicone oil in the cosmetics industry

Silicone Chinese, often referred to as the silicone, Taiwan compatriots will translate tosilicon, or silicon (this is English pronunciation translation). The commonly used silicone oil and silicone products. On the part of the name. Specifically, silicone products includingpoly two methyl siloxane (PDMS, widely used), cyclic poly two methyl siloxane (such as D4, D5, D6), silicone oil emulsion (shampoo used), the three is often referred to as thesilicone oil. In addition to silicon wax, silicone elastomer and silicone products. Although itis not science, but for reasons of convenience and word density (explain), the followingarticle will unify these silicone products known as silicone oil.

Silicone oil as early as World War II developed for military purposes. The application ofsilicone oil in the cosmetics industry has a history of several decades, silicone oil as early as last century 70's used in shampoo and deodorant body products. After decades of development, and is widely used in cosmetics and personal care products, especially skin care products, the use of silicone products in cosmetics. The use of silicone products so widely (hereinafter with silicone oil instead), is safe to human body, really?

The special properties of silicone.

From the structure can be introduced to the physical and chemical properties. But here,no specific chemical structure analysis of silicone oil, consumers do not understand the.So, simply about the concept of silicone oil in nature: the structure is stable, is not easy to be degraded under general conditions are not easy to react with other substances. At the same time, the chemical bond between the flexible, easy to move, low surface tension,so smooth and is the most common properties. Also has the waterproof and breathable.It is an indispensable material in all walks of life.

Safety of silicone oil on the human body

The present study considers two polydimethylsiloxane (PDMS) is absorbed by the skinand gastrointestinal people, almost no acute toxicity, no irritation to skin, have a stimulating effect on the eye, can cause mild conjunctivitis and iritis. There is no evidence to show that poly two methyl siloxane teratogenic, carcinogenic and genetic toxicity.There is reason to believe, PDMS in the normal use of the existing conditions, do not pose a health hazard.

The silicone oil cause hair loss statement, is not precise. After using the shampoo hair loss caused by this phenomenon, indeed, but the cause may be the preservatives, there may be essential, there may be other surfactants, silicone oil is that there may be. If youuse the A brand products for hair loss, B brand is also not hair loss shampoo containing silicone oil, silicone oil do you think is the reason? On the contrary, my personal experience is, use some shampoo containing silicone oil is no problem, but the use of a domestic non silicone shampoo hair brush.

So the silicone oil is often reported cause hair loss, there is no scientific basis. The use ofsilicone oil shampoo cause hair loss, you have to consider is not the problem, but can not make a component inside the oil to be the scapegoat.

Although the above is about the safety of silicone oil, but this does not mean that silicone oil is not sit back and relax 100% cosmetic ingredient safety concerns.

Affect the safety of silicone oil impurities

As with many materials, in a variety of series products of silicone oil, a lot of pure substance is not completely 100%, there are some impurities in it. One concern is the D4impurities (add, D4 is the abbreviation of the ring four, poly two methyl siloxane D5, D6and so on). D4 is a monomer for the synthesis of the silicone oil, through ring opening polymerization to form various types of organosilicon compounds. But in the production process of synthesis of various types of silicone oil, it is difficult to be completely out of100% D4 reaction, so there will be D4 residues in some oil products (D4 chemicalstructure as shown below).

D4 on the human body have any effect? As a kind of annular silicone oil, the volatile is strong, easy to be inhaled. According to the report of D4 may affect human reproductiveability, but there is no research data to support this conclusion 100%. At present, the cosmetics industry has been in action, in Europe on silicone oil and D4 were further safety assessment. The major cosmetics company residues in some silicone raw materials requirements of raw materials to provide D4, D4 and residual control standardfor raw materials. Some of the content of D4 in the product of silicone oil could reach as high as 1% or more, if we can control at 0.1% or less, the potential safety problems will be a lot less.

The conclusion of the silicone oil security:

Generally speaking, the silicone oil is a safe, harmless to the human body. But in the product residues D4, there may be a potential security problem.

What kind of products containing D4?

D4 is a residue, impurities, not on the ingredient list. But in the skin care products,shampoo, hair conditioner, cosmetics products are likely to have minimal residual silicone(silicone), and different number of D4 residues are not the same. But whether the traceresidue can cause health problems in humans, this is not necessarily. But after as little as possible, as SLES in two dioxane.

The development of silicone oil and cosmetic industry:

On behalf of cutting-edge technology in the late 60's of the last century the Cliniquebutter, at that time there was no added oil product, but other products now Clinique insilicone oil, add a lot of, we can see that the silicone oil is driving development ofcosmetics industry in the next few decades.