March 5, 2011
Not to be confused with Beau's lines (which are horizontal grooves), longitudinal grooves are vertical grooves that are caused by trauma to a specific area of nail growth.
February 1, 2000
Your questions answered! What causes fungus, what to do about brittle nails, and more.
June 1, 1997
The Nail Doctor tackles your pressing questions on nail injuries and arthritis.
Back to School Nail Art for Teens11 photos
NAILS NTNA S. 4 Pre-Challenge #124 photos
BB Cosmetics is home to BB Couture for Nails and BB Couture for Nails Men’s Collection, as well as a skincare collection.
What are reasonable terms for a non-compete contract?
How do I announce to my clients that I will be moving to a new salon?
The new products I’m using are adding time to each appointment. How do I adjust my schedule?
Why isn’t my Gelish application curing properly?
What’s the cause of the pinkish-red oval area on the pad of my client’s toes?
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How big is the U.S. nail business? $7.3 billion. What's the average service price for a manicure? Dig into our decades' deep research archives.
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