Our skin regenerates at night

Marie-Pierre Hill-Sylvestre: Indeed, our skin is constantly evolving, day and night, because it adapts to our environment. During the day, it protects us from external aggressions, generally coming from our environment like the sun or the wind. It then plays a role of shield.

The night is a time of intensive regeneration of the skin. Certain chronobiological studies show it well: the multiplication of the cells of the epidermis is maximum at one o’clock in the morning, minimum at one o’clock in the morning. It then produces up to three times fewer cells. At night, our skin therefore promotes its renewal and repair. This phenomenon is easily explained: during this period, our skin undergoes less external aggressions and benefits from a certain tranquility which allows these regeneration mechanisms to take place.

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