Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together — Stock photos

"Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together" is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1320 x 1600px, 2146 x 2600px, 3798 x 4602px. The minimum price for an image is 49$. Image in the highest quality is 3798 x 4602px, 300 dpi, and costs 449$.