Hair Structure 101 Every strand of hair is composed of three layers: the outer layer (cuticle), the middle layer (the cortex), and the innermost layer (the medulla).

It typically has a medulla layer (a deep, inner layer ... These tools can damage your hair’s internal structure. This could leave you with a brittle head of hair that’s prone to fuzz and lots of ...

Discover how hair texture changes like thinning, dryness, and breakage reveal specific nutrient deficiencies months before other symptoms.

Get here detailed syllabus of ICSE for Class 10 for the new academic session 2025-2026. Download the Biology PDFs to know the ...

If you're experiencing hair loss, diet may play a role. Nutrient deficiencies, supplement use, and other aspects of diet can affect hair loss.

Mike's hair transplant issue came to a head while the roomies were visiting the Inn at Cape May.

Curly hair tends to dry out easily and crave moisture. Here's what you need to do to keep it healthy and bouncy.

The best hair dryers are easy to use, work efficiently and provide a salon-quality blowout. Here are the results of our in-depth testing.

We gathered insights from experts and recommendations from our testers to determine the eight best at-home laser hair removal devices that are safe and effective.

Some people use castor oil for hair growth, but evidence is limited. Castor oil contains ricinoleic acid, which may reduce scalp inflammation.

Read Cosmo's review of the 10 best at-home laser hair removal devices of 2025, plus dermatologist-approved tips and tricks for safe and effective results.