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.

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.

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™ 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™ 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.

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™ 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.

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™ 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.

Vistanol™ NPGC is a low viscosity oil with light texture and excellent skin adhesion. It also possesses great pigment dispersibility. Lastly, it has berely any color and smell so it can fit in many formulation. Vistanol™ NPGC is most suitable for lotions, makeup formulations, hair oil as well as many other skin care and hair care formulations. This product is preservative free.

Promois™ WK-PD is a 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. 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.

P. P. A. A. -C stands for “Pseudo Placenta Amino Acid”. It is a cocktail of amino acids with (not less than) fifteen kinds of components modeled after the amino acid composition of placenta, hence its name. P. P. A. A. -C makes a great moisturizer and is extremely gentle to the skin and body. Indeed, amino acids are found in large proportion in the natural moisturizing factor (NMF; a hydrating protective coat produced by the epidermis), in glycosaminoglycans (GAGs) and in the placenta. P. P. A. A. -C is recommended in any skin care formulation to boost the moisturizing effect. This product is preservative free powder type. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ EU-118D is an acylated derivative type of hydrolyzed collagen from fish scale that is alcohol-soluble. 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. 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.

Silasoma™ MEA(V) is an aqueous dispersion of encapsulated UV absorbers (60% as active component). This product is an average diameter of 2 micrometers microcapsule using silk protein as a wall material. And encapsulation eminently reduces penetration of UV absorbers into skin. It is suitable for sunscreen for sensitive skin or baby care. Encapsulating the UV absorbers provides a soft and light after-feel and allows for surfactant-free and safer sun protection formulations. This encapsulated UV absorber contains Ethylhexylmethoxycinnamate and Butyl Methoxydibenzoylmethane. There are also products with different preservatives and chelating agents. It is developed and manufactured in Japan by SEIWA KASEI.

Vegetamide™ 18MEA-NJ, "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 preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

KANKA Extract is an extract of Cistanche Tubulosa, a plant that grows in desert areas and thrives in dry environments. KANKA extract has been popular in recent years due to its potent herbal tonic and antioxidant effect and its contribution in reducing desertification. KANKA Extract is an organic ingredient certified COSMOS. This product is preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

Aminoreact TsV is an amino acid derivative that exhibits excellent hair anti-aging efficacy. It penetrates deep inside the hair and takes effect on the β layer of the Cell Membrane Complex (CMC) which guaranties hair suppleness. As a result, Aminoreact TsV restores the hair body and particularly that which was lost with aging. Consequently, it also boosts the volume of the hair. This product is preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

Promois™ SILK-700SP is powder 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. 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™ WS-HSP is a hydrolyzed soy protein with conditioning efficacy. Soy protein is distinct from animal proteins such as collagen and keratin in that, and 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™ WS-HSP 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™ SILK-A is an esterified derivative of hydrolyzed silk protein. Thanks to its alcohol-soluble character, it can be formulated into nail-polish and hair-spray. 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. 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™ GCA is a versatile cosmetic active designed for creams. Its remarkable benefits include being non-sticky, moisturizing, and offering collagen protection and boosting properties. This innovative ingredient also prevents melanin production, ensuring superior skin feel and improved stability. With its antioxidant properties, courtesy of its chemical family of ascorbates, Amitose™ GCA is a preservative-free and cold processable solution. Ideal for skin care in the realm of beauty and personal care.

Promois™ EF-118AMP is an acylated derivative of hydrolyzed silk protein that is alcohol soluble. 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™ MGA, "Emulsifying 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. Amitose™ MGA provides skin moisture and inhibits melanin production far more effectively than most ascorbic acid derivatives. Most particularly, Amitose™ MGA is amphilic and non-ionic and thus has oil-in-water emulsifying properties. It can be used in emulsions, gels and creams and remains stable over time. It also allows formulators to decrease or even remove the amount of surfactant used in the emulsion formulae. Lastly, Amitose™ MGA demonstrates anti-bacterial properties, a unique characteristic for a vitamin C derivative. This product is preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

PhytoCuticle is a cuticle-care ingredient of plant origin developed with based on biomimetic technology of hair surface structure. Hair cuticle condition gets worse by external damage and destruction of barrier structure. PhytoCuticle adsorbs on the damaged part of cuticle selectively and restores barrier structure. Furthermore, it improves the speeds up hair drying when using the hair dryer due to its hydrophobizing effect. This product is preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

Cuticlekeratin P is the world's first hair conditioning ingredient which has "cuticle" in its INCI name. It was developed from very rare cuticle derived from sheep wool using our technology. It improves hair strength and gives moisturizing and body and lead to healthy and glossy hair. This product is preservative free. It is developed and manufactured in Japan by SEIWA KASEI.

SESAQUA™ is a water-soluble skin care ingredient made from sesame. It is an upcycling ingredient obtained by extracting proteins from pomace produced in the sesame oil manufacturing process and hydrolyzing them. It is made from sesame known as beauty material widely and shows an excellent skin care effect."Hydrolyzed Sesame Protein" of INCI name can change "Sesamum Indicum (Sesame) Seed Extract".

Silasoma™ SP is an aqueous dispersion of encapsulated UV absorbers (60% as active component). This product is an average diameter of 2 micrometers microcapsule using amino acid as a wall material. And encapsulation eminently reduces penetration of UV absorbers into skin. It is suitable for sunscreen for sensitive skin or baby care. Encapsulating the UV absorbers provides a soft and light after-feel and allows for surfactant-free and safer sun protection formulations. Silasoma™ SP microcapsules contain Ethylhexyl Methoxycinnamate and Dimethylamino Hydroxybenzoyl Hexyl Benzoate. It is developed and manufactured in Japan by SEIWA KASEI.