Figure 1.
Image of degree of hair damage under SEM microscope ×800; from left to right: damage, high damage, and weak damage. The bottom image shows damaged cuticle layers.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.