Hypertrichosis - increased hairiness in places where no terminal hair should grow and only vellus hair should be present. The disease affects men and women equally. Hypertrichosis is divided into several types:
Congenital vellus hypertrichosis - primary (embryonic) hair are not replaced by vellus and secondary hair, their length reaches up to 10 cm or more, can have any genetic syndrome.
Acquired vellus hypertrichosis - the hair follicle growing vellus hair begins the formation of embrynic hair. This is a warning factor for the emergence of malignant tumors in the near future. 98% of cancer patients acquire this hair disease a few years prior before the first symptoms of any form of cancer.
Pharmaceutical hypertrichosis - begins the same increase in hairiness in various parts of the body after use of certain medications: corticosteroids, cyclosporin, streptomycin, minoxidil, penicillamine, psoralene.
Symptomatic hypertrichosis - begins with the development of specific diseases such as brain injury, fetal alcohol syndrome, dermatomiozite, anorexia nervosa, impotence.
Traumatic hypertrichosis - exercise increased hairiness in injury scars and skin irritations.
Hyperkeratosis - with this disease structural hair damages alternate with lesions of skin and hair follicles showing as corneal corks, when touched is felt like touching a turk. This disease is treated with massage procedures, ultraviolet light, herbal adaptogenic vitamin A.
Hipotrichosis - abnormally low hairiness of the body parts, such as the hairy skin of the head, etc. Often this disease is related to the terms of the development of the embryo in the womb and the health of the mother during pregnancy.
Grey pigmentation of hair - the effect of lack of pigment can be congenital or develop soon after birth. In any case, it is most often associated with the quality of maternal nutrition during pregnancy and the body’s ability to absorb necessary nutrients for embryonic development, as well as the health and quality of infant feeding after birth.
Premature gray hair - some hairy parts of the head or full head of hair turning gray usually appears after a strong emotional stress, prolonged physical and psychological pressure; due to certain internal organ changes or deviations from the norm in the period of puberty, poor nutrition, side effects of treatment of certain diseases, heredity factors.
Ingrown hair - often appear in the beard and neck areas, sometimes can appear after shave (mechanical factor). The disease manifests itself as follows: the ends of the hair are not directed outwards, but ingrow back under the top layer of the epidermis and form small knots while entering the skin, that cause itching and quite painful itching most often.