Products

Amitose™ HGA, "Lightening vitamin C", is a novel stable vitamin C derivative produced by binding Vitamin C (ascrobic acid), glycerin and an alkyl group together using SEIWA KASEI's original technology. It provides excellent skin moisture but particularly excels at skin lightening. In fact, Amitose™ HGA skin lightening mechanism is the world first of its kind. First, it inhibits melanin synthesis more effectively than most ascorbic acid derivatives. Secondly, Amitose™ HGA inhibits and reverses melanin transport. Lastly, melanin is degraded by autophagy which won the 2016 Nobel Prize. Those mechanism leads to consequently supress dark spots, a truly unique mechanism in Vitamin C derivatives. Amitose™ HGA can be used in a large variety of formulae : skin toners, transparent gel-serums and emulsions such as creams. This product is preservative free water-soluble ingredient. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ WK-HSIGF is a silylated derivative type of hydrolyzed keratin. It protects and repairs hair, and improves its texture by a heat enhancing effect that results in the formation of a film on the hair in response to heat from hair dryers or hair ironing. Keratin is one of the structural proteins composing the stratum corneum, hair, and nails. It makes up 80% of human hair. About its amino acid composition, it must be noted that keratin has plenty of cystine, the amino acid that forms a bond between the helix of the protein and thus provides physical resistance to the hair structure as well as moisture. This is why it is important to supply keratin regularly through hair care products. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. There are also products with different preservatives. It is developed and manufactured in Japan by SEIWA KASEI.

Vegetamide™ 18MEA-R, "Plant-derived Liquid Cuticle" has aliphatic cationic compounds of rice peptides with hair conditioning efficacy. The F-Layer, which main component is called 18-MEA, is the barrier structure of hair cuticles, but it can be stripped off due to hair damage. Because Vegetamide™'s structure mimics the structure of the F-Layer, it can repair and restore the hair cuticles to a healthy state and improve its texture. This product is preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ WG-SP is powder hydrolyzed wheat protein with conditioning efficacy. Wheat protein is rich in acidic amino acids and particuarly in glutaminc acid which provides moisturizing effect. It also has a slight amount of cystine, the amino acid tht brings strength to the hair. Lastly,compared with other plant proteins, wheat proteins tend to have a lighter texture. Promois™ WG-SP is an organic ingredient certified ECOCERT and COSMOS. This product is preservative free powder type. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Solublekeratin SKSP is a water-soluble keratin polymer of natural wool origin. Keratin is the one of main components of stratum corneum which protects skin against external stimulations (UV, Chemical) and keeps water in epidermis. Soluble Keratin SKSP improves barrier function and provides smoothness as well. It is also suitable for nail care formulations because its main component is keratin. This product is preservative free powder type. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ SILK-1000F is hydrolyzed silk protein with hair conditioning efficacy. Silk protein is formed of two proteins: fibroin and sericin. Fibroin has a unique amino acid composition. It is rich in glycine, alanine and serine which have small molecular weight and simple chemical structure. This composition is known to form a sheet structure to which is associated the comfortable touch of silk. Many of the amino acids of sericin have hydroxyl groups which provides uncomparable moisturizing effect. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. There are also products with different preservatives. It is developed and manufactured in Japan by SEIWA KASEI.

Protesil™ LH is a novel hybrid polymer created from the fusion of silk peptides and silicone. It can be used as a multi-functional hair conditioning ingredient. It has excellent adsorption to hair and forms a thin film on the surface of hair, which is glossy, long-lasting, and water-resistant. This has various effects such as repairing, moisturizing, color-protection, shine and anti-static effect. This product is preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

Amitose™ DGA, "Rich-Moisturizing vitamin C", is a novel stable vitamin C derivative produced by binding Vitamin C (ascorbic acid) and two glyceryl groups using SEIWA KASEI's original technology. In addition to inhibiting melanin production it provides ultra moisture to the skin as it strenghtens the cornified cell envelope in the stratum corneum. As a non-ionic ingredient it can be used easily in gel and emuslion formulae such as creams but it is also notably recommended for transparent gel-serums, Vitamin C-rich serum and skin toners. This product is preservative free water-soluble ingredient. It is developed and manufactured in Japan by SEIWA KASEI.

Vegetamide™ 18MEA-NJS, "Plant-derived Liquid Cuticle" has aliphatic cationic compounds of pea peptides with hair conditioning efficacy. The F-Layer, which main component is called 18-MEA, is the barrier structure of hair cuticles, but it can be stripped off due to hair damage. Because Vegetamide™'s structure mimics the structure of the F-Layer, it can repair and restore the hair cuticles to a healthy state and improve its texture. This product is the preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ WJ is hydrolyzed pea protein with conditioning efficacy. Pea protein amino acid composition is quite similar to keratin. It possesses excellent moisturizing properties for both hair care and skin care and also repairs hair damage. This is non-GMO product which does not contained genetically modified pea and it is not allergenic according to the Japanese Ministry of Health, Labor and Welfare. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ WG-SIG is a silylated derivative type of hydrolyzed wheat protein. It protects and repairs hair, and improves its texture by a heat enhancing effect that results in the formation of a film on the hair in response to heat from hair dryers or hair ironing. Wheat protein is rich in acidic amino acids and particuarly in glutaminc acid which provide moisturizing effect. It also has a slight amount of cystine, the amino acid tht brings strength to the hair. Lastly,compared with other plant proteins, wheat proteins tend to have a lighter texture. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ S-700SIGF is a silylated derivative of hydrolyzed silk protein. It protects and repairs hair, and improves its texture by a heat enhancing effect that results in the formation of a film on the hair in response to heat from hair dryers or hair ironing. Silk protein is formed of two proteins: fibroin and sericin. Fibroin has a unique amino acid composition. It is rich in glycine, alanine and serine which have small molecular weight and simple chemical structure. This composition is known to form a sheet structure to which is associated the comfortable touch of silk. Many of the amino acids of sericin have hydroxyl groups which provides uncomparable moisturizing effect. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. There are also products with different preservatives. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ EF-118(IS) is an acylated derivative of hydrolyzed silk protein. This is oil-soluble and it can be formulated into waterless formulae such as hair oil. Silk protein is formed of two proteins: fibroin and sericin. Fibroin has a unique amino acid composition. It is rich in glycine, alanine and serine which have small molecular weight and simple chemical structure. This composition is known to form a sheet structure to which is associated the comfortable touch of silk. The amino acids of sericin have many hydroxyl groups which provides uncomparable moisturizing effect. This product is preservative free. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Amitose™ R is a novel moisturizing ingredient produced by binding the amino acid arginine, which is known to be a NMF (natural moisturizing factor), to glycerin, which is a well-known moisturizing agent. The excellent moisturizing effect derived from the glycerin structure and the excellent adsorption property from the arginine structure offers deep and long-lasting moisture. It provides skin conditioning benefits that get rid of rough skin and improves skin texture, and its easy adsorption provides hair conditioning effects. Amitose™ R also shows anti-dandruff effect due to its moisturizing efficacy of scalp. It is developed and manufactured in Japan by SEIWA KASEI.

Amitose™ 3GA, "Anti-aging vitamin C", is a novel stable vitamin C derivative produced by binding Vitamin C (ascorbic acid) and glycerin using SEIWA KASEI's original technology. In addition to providing skin moisture and inhibiting melanin production, Amitose™ 3GA has an excellent anti-oxydant effect. In fact, Amitose™ 3GA acts inside the cell where it decreases oxydanting agents, the reactive oxygen species (ROS). Its intracellular oxydant effect and cost effectiveness make it perfect for serum, high concentration formulae, anti-aging care and many other formulae. This product is preservative free water-soluble ingredient. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ WK-F is hydrolyzed keratin of low molecular weight with conditioning efficacy. Keratin is one of the structural proteins that compose the hair, the nails and the stratum corneum of the skin. It makes up 80% of human hair. About its amino acid composition, it must be noted that keratin has plenty of cystine, the amino acid that forms a bond between the helix of the protein and thus provides physical resistance to the hair structure as well as moisture. This is why it is important to supply keratin regularly through hair care products. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. There are also products with different preservatives. It is developed and manufactured in Japan by SEIWA KASEI.

Amitose™ 3LGA, "Ceramide Promoter", is a novel stable Vitamin C derivative produced by binding Vitamin C (ascrobic acid), glycerin and an alkyl group together using SEIWA KASEI's original technology. In addition to providing excellent skin-moisture and inhibitory effect on melanin production, Amitose™ 3LGA improves skin barrier functions in an unprecedented way. Indeed, this complexe ascorbic acid derivative greatly increases ceramide synthesis which is one of the most important elements in the skin barrier mechanism. The increase in ceramide thickens the lamellar structure of the stratum corneum and greatly decreases transpidermal water loss. Furtermore, Amitose™ 3LGA also boosts the intracellular antioxidant system by removing reactive oxygen species (ROS) thus providing enhanced anti-pollution effect. The way this antioxidant mechanism works is unique to Amitose™ 3LGA and is highly effective even at low dosage. Lastly, we observed an inhibition of nerve fiber elongation which leads to a decrease in skin sensitivity. Amitose™ 3LGA can be used in gel serums and emulsions such as creams. This product is preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ WJ-SP (Botanical Keratin) is powder hydrolyzed pea protein with conditioning efficacy. Pea protein amino acid composition is quite similar to keratin, so it is called botanical keratin. It possesses excellent moisturizing properties for both hair care and skin care and also repairs hair damage. This in non-GMO product which does not contained genetically modified pea and it is deemed not allergenic according to the Japanese Ministry of Health, Labor and Welfare. Promois™ WJ-SP (Botanical Keratin) is an organic ingredient certified ECOCERT and COSMOS. This product is preservative free powder type. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Vistanol™ GDHR (Botanical Lanolin) is a 100% plant-derived high viscosity oil. Compared to the well-known animal-derived lanolin, it has better luster and water retention, so it can be used in the concept of botanical lanolin. It also possesses excellent pigment dispersibility. Lastly, it has berely any color and smell so it can fit in many formulation. Vistanol™ GDHR (Botanical Lanolin) is recommended for all kinds of lipsticks, makeup, hair wax and many others skin care and hair care formulations as a plant origin alternative to animal product. This product is preservative free.

Amitose™ R-PD is a novel moisturizing ingredient produced by binding the amino acid arginine, which is known to be a NMF (natural moisturizing factor), to glycerin, which is a well-known moisturizing agent. The excellent moisturizing effect derived from the glycerin structure and the excellent adsorption property from the arginine structure offers deep and long-lasting moisture. It provides skin conditioning benefits that get rid of rough skin and improves skin texture, and its easy adsorption provides hair conditioning effects. Amitose™ R-PD also shows anti-dandruff effect due to its moisturizing efficacy of scalp. This product is preservative free and China compliant. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ EK-118(IN) is an oil-soluble keratin for hair oil, shampoos, leave-on treatments, nail care, lip care, and more. The main component of hair, keratin is a protein that provides the hair with strength and protection. So keratin is necessary to keep beautiful and strong hair. Recently, oil-based cosmetics have become more popular all over the world, so Promois™ EK-118(IN) was developed as an alternative to water-soluble keratin. This product improves hair strength and moisturizes damaged hair. It also suppresses lift-up of hair cuticles and gives hair a smooth and glossy texture. This product is preservative free. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ BLACK PEARL-F is hydrolyzed conchiolin, a protein obtained from black pearl oyster shell. Thanks to its marketing potential and great efficacy this product is most suitable for developing luxury hair care and skin care cosmetics. In fact, Conchiolin is one of the proteins found in pearls formed by pearl oysters. The protein plays the role of protecting the pearl and the shell. Lastly, conchiolin also significantly links to the luster of pearl oyster. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ KR-30 is hydrolyzed keratin of high molecular weight. Keratin is one of the structural proteins that compose the hair, the nails and the stratum corneum of the skin. It makes up 80% of human hair. About its amino acid composition, it must be noted that keratin has plenty of cystine, the amino acid that forms a bond between the helix of the protein and thus provides physical resistance to the hair structure as well as moisture. This is why it is important to supply keratin regularly through hair care products. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ SILK-1000Q is a cationized derivative of hydrolyzed silk protein. Thanks to its cationic character, it can adsorb to the damaged part of the hair, repair very effectively and improve texture. It also has anti-static properties. Silk protein is formed of two proteins: fibroin and sericin. Fibroin has a unique amino acid composition. It is rich in glycine, alanine and serine which have small molecular weight and simple chemical structure. This composition is known to form a sheet structure to which is associated the comfortable touch of silk. Many of the amino acids of sericin have hydroxyl groups which provides uncomparable moisturizing effect. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ WU-32R is hydrolyzed collagen product from fish scale with conditioning efficacy. Fish collagen is well-known for its excellent moisturizing properties that improves skin and hair softness. As such, it can make a good alternative to swine and bovine collagen if needed. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins.It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ WR-SP is a hydrolyzed rice protein with conditioning efficacy. Rice protein provides excellent moisture because it contains a large proportion of acidic amino acids. The advantage of the rice protein in comparison to other vegetable proteins is the fact that they are adsorbed more easily to the hair and skin. Promois™ WR-SP is an organic ingredient certified ECOCERT and COSMOS. This product is preservative free powder type. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ GOMA-SIG is a silylated derivative of hydrolyzed sesame protein. It protects and repairs hair and improves its texture by a heat enhancing effect that results in the formation of a film on the hair in response to heat from hair dryers or hair ironing. Sesame protein has much acidic amino acid and is excellent at moisturizing. It also gives a soft texture to hair. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Amitose™ 2GA, "Moisturizing vitamin C", is a novel powder stable vitamin C derivative produced by binding Vitamin C (ascrobic acid) and glycerin using SEIWA KASEI's original technology. Besides the fact it can provide skin moisture and inhibit melanin production better than regular ascorbic acid derivatives, Amitose™ 2GA also improves skin feel and enhances collagen production. Lastly, unlike many acid ascorbic derivatives Amitose™ 2GA remains stable in a wide range of pH. This product is preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

Protesil™ FN is a novel hybrid polymer created from the fusion of silk peptides and silicone. It performs as an emulsifier, especially for water-in-oil emulsions. This product makes it very easy to obtain stable emulsions with great compatibility with various kinds of oils under cold process. In finished formulations, it provides a smooth and silky after-feel as well as skin moisture without the usual oily tackiness. This product is preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ WK-LF is a hydrolyzed keratin of middle molecular weight. Keratin is one of the structural proteins that compose the hair, the nails and the stratum corneum of the skin. It makes up 80% of human hair. About its amino acid composition, it must be noted that keratin has plenty of cystine, the amino acid that forms a bond between the helix of the protein and thus provides physical resistance to the hair structure as well as moisture. This is why it is important to supply keratin regularly through hair care products. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. There are also products with different preservatives. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ W-52USIG is a silylated derivative of hydrolyzed collagen from fish scale. It protects and repairs hair, and improves its texture by a heat enhancing effect that results in the formation of a film on the hair in response to heat from hair dryers or hair ironing. Fish collagen is well-known for its excellent moisturizing properties that improves skin and hair softness. As such, it can make a good alternative to swine and bovine collagen if needed. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. There are also products with different preservatives. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ SERICIN-N is hydrolyzed silk protein (sericin). Many of the amino acids of sericin have hydroxyl groups, more than 40% of total, which provides uncomparable moisturizing effect. Promois™ SERICIN-N is an organic ingredient certified COSMOS. This product is preservative free powder type. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ W-52 is hydrolyzed collagen from swine gelatin with conditioning efficacy. Collagen is a major component of skin protein. It plays a significant role in building up and maintaining our body. Collagen comprises approximately 1/3 of protein in mammals. Its distinguishing characteristic is that it is the only protein to contain both hydroxyproline and hydroxylysine, two amino acids that bring high moisture to both skin and hair. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ PEARL-PF is hydrolyzed conchiolin, a protein obtained from pearl oyster shell. Thanks to its marketing potential and great efficacy this product is most suitable for developing luxury hair care and skin care cosmetics. In fact, conchiolin is one of the proteins found in pearls formed by pearl oysters. The protein plays the role of protecting the pearl and the shell. Lastly, conchiolin also significantly links to the luster of pearl oyster. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. There are also products with different preservatives. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ WS-HSIGPD is a silylated derivative type of hydrolyzed soy protein. It protects and repairs hair, and improves its texture by a heat enhancing effect that results in the formation of a film on the hair in response to heat from hair dryers or hair ironing. Soy protein is distinct from animal proteins such as collagen and keratin in that it is composed of 30% glutamic acid and aspartic acid that possess particularly high moisturizing property. It also provides a smooth and pleasant texture and prevents unmanageable hair. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ HYDROMILK is hydrolyzed milk protein. It is a conditioning ingredient for skin and hair. It possesses great foam texture and foam-sustainability when formulated in face/body wash or shampoo. Milk is a foundamental food for mammals to feed their children. Milk proteins have plenty of essential amino acids at high rates. It has a balanced amino acid composition, which generates a moist feeling. Additionally, it has a chelating effect as milk contains acidic amino acid and phosphoric ester. Promois™ series is a range of peptides and derivatives obtained through hydrolysis of natural proteins. It is developed and manufactured in Japan by SEIWA KASEI.