Feather keratin hydrolysates obtained from microbial keratinases: effect on hair fiber

BMC Biotechnology

Table 3 Hydration effect of the enzymatic hydrolysates on hair fiber

Hair types	Types of Treatment (average – 5 weeks in AU)
Hair types	A	B	C	D	E
1. Untreated hair	7.363	8.236	8.108	7.454	7.836
2. Colored hair	7.181	8.145	8.126	7.017	7.654
3 Colored hair with highlights	7.09	7.781	7.526	7.017	7.29
4 Colored hair with relaxer	6.454	7.761	6.563	7.09	6.399
5.Bleached hair	7.181	7.672	7.563	7.036	7.326

A- start up hair (washed with sodium laureth sulfate) and dried naturally, B- hair washed with shampoo and rinse containing the enzymatic hydrolysates and dried with a straightener at 180ºC, C - hair washed with shampoo and rinse containing hydrolysates and dried naturally, D – control hair (washed with shampoo and rinse without hydrolysates) and dried with a straightener at 180ºC; E - control hair (washed with shampoo and rinse without hydrolysates) and dried naturally.

ISSN: 1472-6750