Hair cuticles Human hair also contains cuticles. These are different from nail cuticles but have a similar function. Hair cuticles serve as a protective layer for the hair.

Medically reviewed by Brendan Camp, MD Your hair's porosity is determined by how well it absorbs water, hair products, oils, and moisture. Low porosity hair may take longer to get completely wet ...

The best clip-in hair extensions add instant volume and length to your hair. It's important to choose a high quality extension if you want it to look natural.

A human hair shaft is typically made up of three layers — cuticle, cortex, and medulla. The cuticle is the outermost layer.

Ever wonder where the human hair in extensions and wigs come from? Glam spoke with Jennifer Korab, hairstylist and owner of Renaissance Salon, to find out.

Not all wigs are created equal. Due to lack of regulation, there are often chemicals in even the most expensive wigs. We investigate, inside.

According to the NIH, a strand of human hair is composed of three layers — the cuticle, cortex, and medulla. The outermost layer, the cuticle, contains cells that overlap each other like fish ...

We're spotlighting the new Bellami hair extensions specially created for those with textured hair. Here's why these well-made extensions are worth it.