Onychorrhexis
Appearance
Onychorrhexis (also known as "Brittle nails") is a brittleness with breakage of nails that may result from excessive strong soap and water exposure, nail polish remover, hypothyroidism, anorexia or bullemia, or after oral retinoid therapy.[1]: 786 Onychorrhexis affects up to 20% of the population.[1]: 786