Introduction
It often happens that the skin reacts differently depending on the time of day.
A routine performed in the morning may seem perfectly tolerated, whereas the same actions performed in the evening sometimes cause more reactions: redness, heat or increased sensitivity.
This difference surprises many people. Yet, it is often explained by a natural phenomenon: the biological rhythms of the skin .
Like many tissues in the body, the skin functions according to cycles. These variations influence skin sensitivity , local circulation, and the ability to recover.
1. The skin follows biological rhythms
The human body functions according to what are called circadian rhythms . These biological cycles repeat every twenty-four hours and influence many physiological processes.
The skin is not immune to these variations.
Several parameters change throughout the day:
- microcirculation
- sebum production
- nerve sensitivity
- recovery capacity
These changes can alter how the skin perceives stimulation or care.
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2. Skin may be more reactive at the end of the day
Throughout the day, the skin accumulates various factors:
- mechanical stimulation
- temperature variations
- micro-muscular tensions
- hormonal influences
These factors can make the fabric more sensitive at the end of the day .
Therefore, when a treatment or device is used in the evening, it may cause slightly more visible reactions than in the morning.
This phenomenon does not necessarily mean that the skin is in trouble. It may simply reflect the current physiological state .
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3. The evening also corresponds to a phase of regulation
Nighttime is an important period for the skin.
During this phase, several processes are reinforced:
- cellular repair
- tissue regeneration
- local traffic
This is why certain routines performed in the evening can trigger visible reactions while remaining perfectly normal.
The skin then enters a phase of regulation and adaptation .