URL of this page: https://www.nlm.nih.gov/medlineplus/hairproblems.html

Hair Problems

Summary

The average person has 5 million hairs. Hair grows all over your body except on your lips, palms, and the soles of your feet. It takes about a month for healthy hair to grow half an inch. Most hairs grow for up to six years and then fall out. New hairs grow in their place.

Hair helps keep you warm. It also protects your eyes, ears and nose from small particles in the air. Common problem with the hair and scalp include hair loss, infections, and flaking.

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Prevention/Screening

Treatments and Therapies

Related Issues

Specific Conditions

  • Folliculitis (Mayo Foundation for Medical Education and Research)
  • Hirsutism (American Academy of Family Physicians) Available in Spanish
  • Hirsutism (Mayo Foundation for Medical Education and Research)
  • Ingrown Hair (Mayo Foundation for Medical Education and Research)

Genetics

Images

Clinical Trials

Children

Teenagers

Women