Nails are composed primarily of keratin, a hardened protein also found in skin and hair. The nail itself consists of several different parts, including the nail plate, nail bed, matrix, lunula, cuticle and nail folds.
- The average growth rate for nails is 0.1 mm each day; individual rates depend on age, time of year, activity level, and heredity.
- Fingernails grow faster than toenails. Nails also grow more rapidly in the summer than in the winter.
- Nails on a person’s dominant hand (right vs. left) grow faster, and men’s nails grow more quickly than women’s, except possibly during pregnancy and old age.
- Nail growth is affected by
internaldisease, skin disorders, medications, nutritional status (vitamin, iron or protein deficiency), hormone imbalances, infections andthe aging process.
To Make An Appointment Call (425) 672-1333
See your dermatologist if you suspect a problem with nail growth or appearance; it can be a sign of internal disease, infection or inflammation.
Meet Our Providers
Our providers continue to maintain the highest levels of accreditation and progressive ongoing education to learn and understand the latest developments in medical dermatology. Each provider's education and bio can be viewed below.
Melanie Kuechle, MD
Dr. Kuechle is a native of Texas and a graduate of Baylor University College of Medicine. She completed her dermatology residency at...
Janet M. Trowbridge, M.D., Ph.D.
Dr. Trowbridge is a native of upstate New York and a graduate of the New York University Schools of Medicine and...