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Brittle nails or Onychirrhexis is your problem.The main conditions leading to brittle nails are anaemia(iron defeciency);excessive strong soap;nail polish remover;anorexia nervosa
or bulimia;after oral retinoid
therapy;and in few people suffering from psoriasis
.The treatment depends on the cause and once the cause is treated recovery is possible.Please consult a Dermatologist
for examination and treatment.