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 "iVC Amitose VC series" - ideal stable vitamin C derivatives combined with glycerin -,"Amitose R" - amino acid derivatives with unique efficacy for hair, skin and scalp -,"Protesil" - multi-functional hybrid polymers with silky texture, hair color protection -,"Silasoma" - encapsulated UV-filters for sensitive skin and baby -, and "Vegetamide" -pseudo-F layer of hair cuticle with selective repair.