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SEIWA KASEI CO., LTD.

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Japanese time-tested manufacturer of innovative cosmetic ingredients, SEIWA KASEI offers high-performance products based on peptides and/or amino acids and formulations with unique marketing claims and relevant data. In addition to the core products "Promois" - variants of hydrolyzed proteins and their derivatives from natural resources -, many functional ingredients are developed with our technology, such as "Silasoma" - encapsulated UV-filters for sensitive skin and baby -, "Protesil" - multi-functional hybrid polymers with silky texture, hair colour protection -, "Amitose" - glycerin derivatives with arginine or ascorbic acid with moisturizing effect and whitening effect - and "Vegetamide" -pseudo-F layer of hair cuticle with selective repair.
9 Results
Aminoreact TsV SEIWA KASEI CO., LTD.
  • INCI Name:
    Sodium Tosyl Valinate (and) Butylene Glycol (and) Water
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 T...view more 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. view less
Compliance Highlights Unavailable
PhytoCuticle™ SEIWA KASEI CO., LTD.
  • INCI Name:
    Hydrolyzed Soy Protein (and) Stearamidopropyl Dimethylamine (and) Pentylene Glycol (and) Gluconolactone (and) Water
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 dam...view more 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. view less
Compliance Highlights Unavailable
Promois EK-118(IN) SEIWA KASEI CO., LTD.
  • INCI Name:
    Isostearoyl Hydrolyzed Keratin (and) Isononyl Isononanoate
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 strenght and protection. So keratin is necessary to keep...view more 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 strenght 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. view less
Compliance Highlights Unavailable
Promois™ SILK-1000PD SEIWA KASEI CO., LTD.
  • INCI Name:
    Hydrolyzed Silk (and) Water
Promois™ SILK-1000PD 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...view more Promois™ SILK-1000PD 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 hydroxy groups which provides uncomparable moisturizing effect. This product is upcycled silk made from waste generated in the processing into silk and preservative free. 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. view less
Compliance Highlights Unavailable
Promois™ WR-CAQ SEIWA KASEI CO., LTD.
  • INCI Name:
    Cocodimonium Hydroxypropyl Hydrolyzed Rice Protein (and) Water
Promois™ WR-CAQ is a special hair care conditioning ingredient made from rice protein. It has an anti-frizz effect by repairing hair and restoring the hydrophobic barrier on the hair surface. These effects can suppress hair frizz under high humidity, so h...view more Promois™ WR-CAQ is a special hair care conditioning ingredient made from rice protein. It has an anti-frizz effect by repairing hair and restoring the hydrophobic barrier on the hair surface. These effects can suppress hair frizz under high humidity, so hair styles are always maintained. 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. view less
Compliance Highlights Unavailable
SESAQUA™ SEIWA KASEI CO., LTD.
  • INCI Name:
    Hydrolyzed Sesame Protein (and) Butylene Glycol (and) Water
SESAQUA™ is hydrolyzed sesame protein for water-soluble and it is not oil ingredient used commonly as the sesame. It has skin care efficacy such as the enhancement of collagen production and the inhibition of melanin production. "Hydrolyzed Sesame Protein...view more SESAQUA™ is hydrolyzed sesame protein for water-soluble and it is not oil ingredient used commonly as the sesame. It has skin care efficacy such as the enhancement of collagen production and the inhibition of melanin production. "Hydrolyzed Sesame Protein" can also be described as "Sesamum Indicum (Sesame) Seed Extract". view less
Compliance Highlights Unavailable
Silasoma™ SP SEIWA KASEI CO., LTD.
  • INCI Name:
    Polysilicone-35 (and) Ethylhexyl Methoxycinnamate (and) Diethylamino Hydroxybenzoyl Hexyl Benzoate (and) Water
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 abso...view more 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. view less
Compliance Highlights Unavailable
Vegetamide 18MEA-NJ SEIWA KASEI CO., LTD.
  • INCI Name:
    Cetearamidoethyldiethonium Succinoyl Hydrolyzed Pea Protein (and) Glycerin (and) Water
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...view more 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. view less
Compliance Highlights Unavailable
Vegetamide 18MEA-R SEIWA KASEI CO., LTD.
  • INCI Name:
    Cetearamidoethyl Diethonium Hydrolyzed Rice Protein (and) Glycerin (and) Water
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...view more 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. view less
Compliance Highlights Unavailable