If you already have them, after a bath use a pumice stone to rub away the thickened skin, a little at a time.

Symptoms include facial redness, eye irritation, thickened skin and permanently visible blood vessels.

Symptoms may include a sore that doesn't heal, bleeding, a smelly discharge, rash, thickened skin or possibly a change in colour.

Symptoms include thickening skin, irregular surface nodularities, and enlargement.

He has highly enhanced strength, thickened skin, and bulked muscle, to enable him to withstand most forms of hand-to-hand combat.