Outline
1. What is silk fibroin ?
2. What are the moisturising ingredients commonly found in skin care products?
3. Silk Fibroin is an excellent natural moisturising factor
4. Why choose silk fibroin for skin care products instead of silk fibroin from whole cocoons?
5. International literature points out that silk fibroin is a new type of moisturising agent? How is the moisturising effect?
What is silk fibroin ?
Silk fibroin is extracted and isolated from silkworm cocoons (silk). The protein of silkworm cocoons contains sericin in the outer shell and silk fibroin in the inner part. Silk fibroin contains 20 kinds of amino acids, including 9 essential amino acids for human body and 10 essential amino acids for dogs and cats.
What are the moisturising ingredients commonly found in skin care products?
There are many high-profile raw materials in the moisturising effect of skin care products.
The most common moisturising ingredients are: Squalene, Hyaluronic acid, Ceramide, Pantothenic acid, Glycine, certain plants oils (Shea Butter, Jojoba Oil, Sea Buckthorn Oil, Spicy wood seed oil).
Among them, the skin stratum corneum has a large category of moisturising ingredients called "Natural Moisturising Factor", and skin care products are often applied to natural moisturising factors, including various amino acids, salts, sugars, lactic acid, chlorine, sodium, Calcium, magnesium and other ions and urea.
Silk fibroin is an excellent natural moisturising factor
The various amino acids contained in silk fibroin, they are similar in composition to the natural moisturising factor of the human body, so it can be used as a source of supplying natural moisturising factors. Among them, silk fibroin contains a large amount of glycine (Glycine) and proline (Proline), which are the main amino acids that constitute collagen.
Why choose silk fibroin for skin care products instead of silk fibroin from whole cocoons?
Silkworm cocoon shell (sericin) is usually in frequent contact with the environment, and often remain some pollutants (bacteria, pathogens, allergens, etc.), It won’t be the skin-friendly component, it may increase the reaction of inflammation or allergy. The silk fibroin in the inner core of the silkworm cocoon is pure and pollution-free, and has high "biocompatibility". According to the test report of a third-party unit, silk fibroin has no side effects on the skin and is the best natural moisturising raw material.
International literature points out that silk fibroin is a new type of moisturising agent? How is the moisturising effect?
According to the literature, it is pointed out that the amino acid composition of natural moisturising factor is similar to that of silk fibroin and can be advantageously used as a skin moisturising agent. A concentration-dependent moisturising effect of silk fibroin (1-5% w/v) in solution and cream form was demonstrated in volunteers. Creams containing silk fibroin showed increased affinity compared to dry and normal skin. The increased hydroxyproline content is responsible for maintaining higher levels of moisture in the skin. The hydration level of the stratum corneum is increased by silk fibroin treatment. Silk fibroin moisturising efficiency has been demonstrated in in vitro and in vivo techniques with good correlation. Research shows that silk fibroin is a promising new natural moisturising agent.
The advantages of silk fibroin in skin care products
- Excellent natural moisturising factor | Help increase the moisture of the stratum corneum of the skin Increase Moisturising
- Amino Acids|Key Amino Acids to Increase Skin Collagen Synthesis
- Safe and no side effects|Relevant animal and human experimental reports indicate no side effects
- Pure and pollution-free|No risk of pathogens and allergens around the whole cocoon
- Non-animal source, no fishy smell | non-animal protein, no fishy smell
