UL Prospector

Promois EFLS-F


SEIWA KASEI CO., LTD. makes their documentation available in the regions indicated below:

Promois EFLS-F is an acylated derivative of hydrolyzed silk protein. It has detergent and great foaming properties and can wash the skin and the hair while providing repairs. 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 hydroxy 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.

Upgrade to Prospector Premium to view Compliance Highlights Learn More

Retailer Compliance Status

No retailer information is available at this time.

Regulatory & Advisory Status

No regulatory information is available at this time.

Compliance information powered by UL's LOLI Regulatory Database.


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.

The information presented here was acquired by UL from the producer of the product or material or original information provider. However, UL assumes no responsibility or liability for the accuracy of the information contained on this website and strongly encourages that upon final product or material selection information is validated with the manufacturer. This website provides links to other websites owned by third parties. The content of such third party sites is not within our control, and we cannot and will not take responsibility for the information or content.

Where to Buy


Are you a distributor who is interested in being listed here? Contact us!