If you struggle with thinning hair, hair loss, or hair growth, trust me, you're not alone. Finding the right tools for your ...

Medically reviewed by Casey Gallagher, MD Coconut oil contains moisturizing fatty acids that can strengthen hair, reduce ...

Fine hair is less likely to have a medulla than coarse hair. Cortex: The cortex of your hair is made of proteins that allow the hair shaft to stretch. This is also the layer that holds your hair ...

Each hair can have three layers – the medulla, the cortex and the cuticle. You can think of each hair like a tiny tree trunk. The innermost, or core layer, is the medulla. This layer holds ...

Clean cut or tapered ends are further signifiers of health and relate to the hair cortex. Among the reasons why a person might be left grappling with a less-than-healthy looking set of locks ...

Hair consists of an inner cortex, which contains most of the hair mass, and keratin proteins. An outer layer of hair called the cuticle encases and protects the cortex. Hair lipids play an ...

Each hair can have three layers – the medulla, the cortex and the cuticle. You can think of each hair like a tiny tree trunk. The innermost, or core layer, is the medulla. This layer holds ...

It occurs when excessive moisture penetrates the outer layer of your hair and reaches the inner cortex. Over time, repeated swelling from hygral fatigue can lead to symptoms such as frizziness ...

Your hair color is determined by the amount and type of melanin found in the cortex of your hair, according to a 2013 research review. Melanin is the same protein that gives your skin its tone.

Humectants: These enter the hair cortex and help retain moisture. • Emollients: These silicones or oils lubricate the follicle ( outside of hair shaft), which helps reduce damage and maintains ...