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Hyperkeratosis is a condition causing thickening of the outer layer of the skin.


  • Accumulation of the protective protein called keratin in the outer layer of the skin
  • Repeated pressure and friction
  • Skin conditions like ichthyosis or eczema
  • Chronic inflammation or infection
  • Excessive exposure to sunlight or ultraviolet rays
  • Chemicals
  • Hereditary


  • Skin thickening
  • Hyperpigmentation
  • Corns and calluses
  • Warts
  • Rough bumps around follicles
  • Red rash
  • Dry and scaly skin
  • Lacy white patches inside mouth

Treatment varies according to the type of hyperkeratosis and may include:

  • Topical corticosteroid ointments
  • Moisturizers
  • Cryosurgery
  • Laser therapy


  • Avoid leaning on elbows and knees
  • Avoid harsh rubbing of the skin
  • Avoid walking barefoot
  • Avoid excessive sun
  • Avoid harsh soaps or chemicals
  • Wear comfortable and roomy shoes