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Feb 4, 2021
One silicone (especially silicone oil) with excellent comprehensive performance and physiological inertia, E has entered the personal care industry with large sales and rapid product upgrades for more than ten years. It has the unique properties of compatibility with the skin and coordination with the substrate, good hydrophobic and air permeability, resistance to corrosion by chemical media, moist but not greasy, etc.
It is used as a component of personal care products,
It will play a pivotal role in improving personal care products, improving performance and developing new varieties.
Tow Physiological Toxicity of Diorganosilicon
Taking silicone oil as an example, it has a symmetrical molecular structure without polar groups, and the entire molecule is an inert molecule.
According to foreign information
It is proved that silicone oil is non-toxic and physiologically inert. It is used in the personal care industry
Use is absolutely complete.
Three film-forming properties, lubricity and hydrophobicity
Genetic test The entire molecule of silicone oil is a spiral molecule, the polarity of the silicon-oxygen bond cancels each other out, and the force between the molecules appears to be very small, so it exhibits low surface tension and can spread quickly on the skin surface to form a uniform film. The small dosage also makes the skin highly water-repellent without affecting normal perspiration.
Silicone oil can give proper moisture to the stratum corneum of the skin. It is a good lubricant for the skin, but it does not feel greasy and sticky. It produces a non-sticky and comfortable feeling. Even if the amount is small, the skin has a high degree of repellency. Water, so as to achieve the purpose of lubrication and hydrophobicity.
Four compatibility
Low-viscosity silicone oil and low-molecular-weight cyclic organosilicon compounds containing phenyl groups in the molecule have a detackifying effect, and have good compatibility and compatibility with common cosmetics raw materials such as beeswax, paraffin wax, petrolatum, wool wax, mineral oil, Z alcohol, etc. .
Five light transmittance
Silicone oil is transparent at the full wavelength of visible light, and silicone oil containing phenyl shows a unique strong absorption in the ultraviolet region.
At 0.23 microns, the transmittance does not exceed 20%,
Therefore, it can be used as an additive for sunscreen cosmetics.
Six-volatility heating and low vaporization
Low molecular weight cyclic organosilicon compounds have the characteristics of volatility and low heat of vaporization, therefore,
It is in all cosmetic additives
Has a particularly important use value.
Such as: can be used as an antiperspirant,
Toilet water, hair spray, shaving lotion, nail polish, eye mascara and other cosmetic formulations to improve the oily feeling of traditional formula products.