The pathophysiology of<unk>  is related to disease of the hair follicle as is now included in the ICD-11 due to be finalised in 2018. Lip licker's dermatitis or<unk>  irritant contact dermatitis due to lip-licking is considered a separate disease categorised under irritant contact dermatitis due to saliva.<unk>  is frequently histologically similar to rosacea with the two conditions overlapping considerably. There is a lymphohistiocytic infiltrate with perifollicular localization and marked granulomatous inflammation. Occasionally, perifollicular abscesses may be present when pustules and papules are the dominant clinical findings.
Perioral dermatitis
Tinea capitis
Acroangiodermatitis
Lip licker's dermatitis
Granulomatous facial dermatitis
Eyelid dermatitis
Lacquer dermatitis
Palmoplantar keratoderma