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Silk Protein Powder (Fibroin Powder)

It is a kind of powdery high molecular silk protein with average molecular of 300,000D, which is no taste, no odor, and is micro-dissolved in water, but not in ethanol.
·Specification：
Items Average particle size
Silk powder 40 40 micron
Silk powder 10 10 micron
Silk powder 5 5 micron
Silk powder 2 2 micron
·Quality Index：
Items Index
Property White or slightly jasmine powder
Total Nitrogen ≥14.5%
Weight loss on drying ≤5%
Residue on ignition ≤4%
PH value 5.0-7.0

·Utilizable Character：
1. The silk powder is an excellent natural moisture-adjusting factor because of its hydrophilic group existed in its molecular structure. A thin layer of silk powder adhered to the skin surface can absorb or release the moisture along with the change of temperature & humidity of skin surface, to prevent and cure the dermatosis caused by moisture or dry conditions in certain degree, and to keep your skin in hygiene.
2. The crystal structure of silk powder not only can reflect part of the ultraviolet rays, but also can absorb part of it due to its spiral structure forming holes.
3. The silk powder possesses the unique ability of absorbing oil, therefore, it is suitable for the cosmetics applied to the oily skin.
4. Because of its special structure of decreasing the reflective light, the silk powder, applying to the cosmetics on the micro powder, can reflect the real & soft color naturally. Compared with talcum powder or titanium white powder, the silk powder have the excellent character of air permeability which can be applied to those powder beauty cosmetics, such as the facial powder or rouge etc.



  Huzhou Xintiansi Bio-tech Co, Ltd　 Add：318#,Chuangye Road,Huzhou,Zhejiang,China
Tel：86-572-2123171 E-mail:info@chinatiansi.com