Hair grows under the skin, may be perifollicular keratosis, penetrating folliculitis or vitamin A deficiency and other diseases, the treatment includes topical medication, systemic therapy and so on.
1. Perifollicular keratosis: its occurrence can be related to genetics, vitamin A deficiency or metabolic disorders, etc. Follicular papules can be seen on the skin, with keratin plugs at the top and containing hairs, which can be treated with local topical retinoic acid ointment, salicylic acid ointment, or urea cream, etc., in order to soften and dissolve the keratin and improve the symptoms.
2. Penetrating folliculitis: it may be caused by the stimulation of the hair follicles after the action of chemicals, abnormal keratinization of the follicle funnels, and curved hairs can be seen inside the follicles, which can be treated with keratin-exfoliation agents such as salicylic acid, and the application of retinoic acid is also effective, and the systemic treatment can be used to treat the condition with Avian A, isotretinoin, and so on.
3. Vitamin A deficiency: it is a nutritional disorder caused by vitamin A deficiency, and curved hairs can be seen in the hyperkeratinized epidermis and hair follicles containing keratin plugs. Vitamin A can be taken for treatment, if oral non-absorbable, given intramuscular injection, and supplementation of vitamin E; lesions coated with salicylic acid ointment, urea cream or retinoic acid ointment and other treatments.
Found that the hair grows under the skin, can go to the hospital specialist, after a clear diagnosis, follow the doctor’s instructions for treatment, avoid self-medication.