Cold, dry, or hot wind and weather environments can harden and roughen up the red part of the<unk> s, causing people to develop habitual<unk>  licking to pick at the scales and flakiness that form.<unk>  chewing, thumb sucking, or excessive drooling can also initiate the inflammatory response. Wind instrument players may also experience<unk> . However, it is important to differentiate this from allergic contact dermatitis which is also common in musicians who have a reaction to the ingredients common in varnishes for their instruments. Compulsive licking of<unk> s causing<unk>  is also seen as a psychological disorder. Persistent and continuous breathing from the mouth can cause dry<unk> s and result in the temptation to repeatedly lick the<unk> s with the aim to keep them moist. Repeated licking removes the oily part on the surface of<unk> s that prevents moisture loss. It results in a cycle of wetting and drying, which causes the redness, fissuring, scale, cracking of the<unk> s, especially if<unk>  biting is present. Excessive dryness to the protective oily part of the<unk>  surface causes the skin barrier to be damaged with the increased skin permeability. As the response of the innate immune system, proinflammatory cytokines are released facing the damage to the<unk> . Digestive enzymes also causes additional inflammation to the exposed layers of the skin. People with the high innate tendency to eczema are susceptible to irritant contact dermatitis.
Lip licker's dermatitis
African blackwood dermatitis
Lacquer dermatitis
Diabetic dermadrome
Phototoxic tar dermatitis
Abietic acid dermatitis
Cat-scratch disease
Blister beetle dermatitis