Hedgehogs curl into a tight ball using specialized muscles that hide their soft parts and present thousands of sharp spines ...

A new imaging study challenges long-standing ideas about how hair grows and could lead to new treatments for hair loss. Scientists have discovered that human hair does not emerge because it is pushed ...

Learn how surface tension enables water striders to skate, and how nature’s tiny engineering marvels inspire robotics.

Dec. 16, 2025 — If you search for hair dye on social media, you’ll mostly see inspo photos of women with brightly colored locks. But you’ll also find clips warning you that dying your hair isn’t so ...

Scientists have found that human hair growth does not grow by being pushed out of the root; it's actually pulled upward by a force associated with a hidden network of moving cells. The findings ...

Trying to fix a thinning mane? It’s a hairy situation. More than 80% of men and nearly half of women in the US will face some form of hair loss in their lifetime, and thousands of companies are ...

More than just dead matter, hair is an archive of your body’s secrets. By Simar Bajaj At once deeply personal and publicly scrutinized, hair sits at the boundary between biology and identity. Few ...

More and more women seem to be sporting long, luscious manes. Our critic offers some possible explanations along with a brief history of hair. By Vanessa Friedman It is true that we are in a Rapunzel ...

If you've ever brushed your hair in the shower and watched way too many strands go down the drain, you know how unsettling that can feel. For many of us, hair is a crucial part of our identity and can ...

Microneedling is a treatment that uses thin, vibrating needles to puncture your skin. Dermatologists perform microneedling to improve skin texture, reduce scarring, fade dark spots, and minimize fine ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? According to Rissetto, making protein a priority ensures the body has enough ...

If you have a wavy hair type and decided you want to start styling your natural waves, welcome! Ahead is a fun journey learning about what your hair loves and hates, but in the end, you'll establish ...