Silk Protein Powder,Fibroin

Product Name ：Silk Fibroin Powder

Specification:2μm; 5μm; 10μm; 40μm

Molecular Structure： [R-CH(CNH2)-C00H]n

PH： 6.5-7.0

Source:natural silk

Appearance:White Powder

Grade:Food,Cosmetic

CAS No:9009-99-8

Active Ingredient:silk protein

Water solubility:non water soluble

Description of Silk Protein Powder,Fibroin

Silk powder (silk fibrin powder) is a kind of macromolecular silk fibrin in powder form, which is made from the silk fibrin degummed under high pressure, requires special craft processing and smash through physical methods. Its molecular weight of is about 250000. It is tasteless, odorless, slightly soluble in water and insoluble in alcohol ether.

Function of Silk Protein Powder,Fibroin

1. Silk fibroin powder has the function of natural moistening, nourishing skin and promoting healing of skin wounds:

1) Application of skin protecting products enriched with silk fibroin powder on skin can reach the effects of facial beautification and preventing many skin diseases.

2) Clinical trials show that it has good therapy effects for several dermatosis, such as Skin Cracks, Dermatitis.

3) The experimental results show that silk fibroin powder has no irritability and can accelerate healing of wounds.

4)It can prevent corrosion and damage of dusts, coating, acid and alkaline chemical substances on skin.

2. Silk fibroin powder is very excellent hair-protecting function:

The protection for hair includes absorbability and adsorption, membrane, moisture retention.

Application of Silk Protein Powder,Fibroin

1. The silk fibroin powder is an excellent natural moisturizing factor because of the presence of hydrophilic gene in the structure of silk. It can attach a very thin silk powder layer to the surface of skin, which can absorb or release water with the change of the temperature and humidity of skin.

2. The crystalline structure of silk fibroin powder can reflect part of ultraviolet ray, and the hollows formed by the spiral structure can again absorb part of ultraviolet ray, so it will make the better sun-screening effect by using the compound of silk powder and sun-screening agent in sunscreen products.

3. Silk fibroin powder has a unique ability of keeping the oil, which makes it more suitable to be used in cosmetics for oily skin.

4. The structural features of silk fibroin powder can help reduce the reflected light. When being used in cosmetics in which the mica powder is taken as substrate, it can reduce the reflected light and make the skin show vivid and soft colors naturally.

Q&A:

1.Are you a manufacturer or trade company
We have our own factory which located in Zhejiang,China.Meanwhile,we also have many parter factorier,so we can supply many kinds of relative products with very competitive price and good quality.

2.How  to start an order

After negoation and communication about the price,quantity,incoterm,etc.,you give me the order contract with stamp,then I sealed it ,send back to you,also give you the proforma invoice,you can arrange the payment according the PI.

3.What’s your payment terms

If sample,small amount: T/T in advance, ,Paypal.
If commercial order ,big amount: T/T in advance,L/C at sight.

4.Can I get a free sample

If this product is not very expensive,and you demand a small sample,we can supply free sample,but not including the shipping cost,you can provide a freight collect account or arrange the shipping cost by Paypal/Westunion.

5.What's the lead time
Generally we send out your order ASAP after payment,normally

small quanitity,3-5days.

big quanitity with stock,5-7days,

if without stock,we have to calculate the production period,then give you the lead tme.

6.How do you ship the order normally

If less than 50kg,will be shipped by express,such as FEDEX,DHL.

If above 50kg,we can ship it by air or sea
For very large quantity,ship it by sea will be the best choice.

7.How do you ensure the quality of your products
Strict QC with 6 steps testing from raw material purchase to finished product.

Meanwhile,we will responsible for the goods quality after be sold.