Noun
lichenification (countable and uncountable, plural lichenifications)
(dermatology) Epidermal thickening characterized by visible and palpable thickening of the skin with accentuated skin markings.
Eczema (dermatitis): A particular type of inflammatory reaction of the skin in which there is erythema (reddening), ), and crusting of the skin followed, finally, by lichenification (thickening) and scaling of the skin. Source: Internet
Hair loss, redness, crusting, oozing, pigment changes (hyperpigmentation), skin thickening (lichenification), and other visible signs can occur at itchy locations. Source: Internet