Stress
A physiological response with documented, delayed effects on hair.
Soumm
4 September 2026
Definition
The body’s response to demand, involving hormonal, immune and metabolic changes. Acute and chronic stress differ in how they present.
Effects on hair typically appear two to three months after the stressor.
What helps
Addressing the cause, protecting sleep, and adequate nutrition. Topical care supports comfort but does not counteract the mechanism.
See also: Cortisol, Telogen Effluvium.
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