What is described is a use of an antidepressant compound, preferably belonging to the class of selective serotonin reuptake inhibitors (SSRI), for regenerating the integumentary system and/or for stimulating the growth, the original trophism and/or original pigmentation of the corresponding cutaneous appendages, particularly body hair and/or head hair, in mammals. For this purpose, the antidepressant can be formulated in a cosmetic preparation, a pharmaceutical composition, a medical device, or in the form of a culture medium, alone or in combination with a further active ingredient such as a proteolytic enzyme and/or a vitamin.