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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.
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iVC Concentrated Serum [Amitose DGA] (Formulation #SK-303) SEIWA KASEI CO., LTD. iVC Concentrated Serum (Amitose DGA) is a very stable vitamin C serum with a high dosage of ascorbic acid. Amitose DGA, one of our original vitamin C derivatives is used in it. The excellent stability of Amitose DGA prevents color change of serum despite ...view more iVC Concentrated Serum (Amitose DGA) is a very stable vitamin C serum with a high dosage of ascorbic acid. Amitose DGA, one of our original vitamin C derivatives is used in it. The excellent stability of Amitose DGA prevents color change of serum despite its concentrated vitamin C derivative content. On top of that, it is very easy to prepare the formulation because Amitose DGA doesn't require special process as solubilization and neutralization. view less