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Int J Trichology. 2018 Nov-Dec;10(6):245-254. doi: 10.4103/ijt.ijt_56_18.

A Comment on the Science of Hair Aging.

Author information

1
Center for Dermatology and Hair Diseases Professor Trüeb, Zurich-Wallisellen, Switzerland.
2
Department of Dermatology, Universidade Federal Fluminense, Centro de Ciencias Medicas, Hospital Universitario Antonia Pedro, Niterói-Rio de Janeiro, Brazil.

Abstract

In contrast to the skin, aging of the hair has seemingly only recently found the attention of dermatological meetings, mainly promoted by the cosmetic industry for marketing purposes. In fact, basic scientists interested in the biology of hair growth and pigmentation have for some time already exposed the hair follicle as a highly accessible model with unique opportunities for the study of age-related effects. As a result, the science of hair aging focuses on two main streams of interest: the esthetic problem of aging hair and its management, in terms of age-related effects on hair color, quantity, and quality; and the biological problem of aging hair, in terms of microscopic, biochemical, and molecular changes underlying the aging process. Ultimately, the aim of hair anti-aging is to delay, lessen, or reverse the effects of aging on hair. According to the complex nature of the aging process, the treatment for lifetime scalp and hair health has to be holistic to include the multitude of contributing factors in a polyhedral and patient-specific manner. It comprises both medical treatments and hair cosmetics. Accordingly, the discovery of pharmacological targets and the development of safe and effective drugs for treatment of hair loss indicate strategies of the drug industry for maintenance of hair growth and quantity, while the hair care industry has become capable of delivering active compounds directed toward meeting the consumer demand for maintenance of hair cosmesis and quality. "Where there's life, there's hope" (Ecclesiastes 9:3-5).

KEYWORDS:

Hair aging; hair anti-aging; hair fiber quality; pattern hair loss; senescent alopecia

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