Welcome to China Surfactant Detergent & Cosmetics, Today is

China Surfactant Detergent & Cosmetics ›› 2015, Vol. 45 ›› Issue (6): 337-341.doi: 10.13218/j.cnki.csdc.2015.06.009

• Developmentandapplicatio • Previous Articles     Next Articles

Moisture absorption,moisturizing and UV protection capacities of bovine hair hydrolysate

ZENG Wei-cai, LIU Zhi-peng, ZHANG Wen-chang, SHI Bi   

  1. National Engineering Laboratory of Clean Technology for Leather Manufacture, Sichuan University,Chengdu,Sichuan 610065,China
  • Received:2015-03-09 Published:2019-04-01

Abstract: Bovine hair hydrolysate was prepared by chemical hydrolysis method.Degree of hydrolysis,molecular weight distribution and amino acid composition of the hydrolysate were determined.Meanwhile,moisture absorption and moisturizing capacities as well as UV protection activity of the hydrolysate were measured. The results showed that the degree of hydrolysis of the hydrolysate achieves 15.68%,and its molecular weight distributes within 1 800~22 000 Da.It is composed of 17 kinds of amino acid,mainly as cysteine (18.79%),glutamic acid (11.02%) and arginine (6.78%).Under laboratory conditions,the hydrolysate exhibits moisture absorption capacity as 25% and moisturizing capacity as 50%.Moreover,the hydrolysate shows a high value of sun protection factor to inhibit the injury of skin caused by UVA and UVB,which indicates that the hydrolysate possesses significant UV protection activity.

Key words: additive for cosmetics, bovine hair hydrolysate, moisture absorption capacity, moisturizing capacity, UV protection activity

CLC Number: 

  • TQ658