As a hair and scalp health specialist, I can provide you with information on the relationship between stress and hair growth.

Stress can indeed cause hair loss, a condition known as telogen effluvium. This occurs when stress signals the hair follicles to enter a resting phase, leading to a shedding of hair that would normally be in the growth phase. However, this type of hair loss is generally temporary, and once the stressor is removed or managed, the hair can start to grow back.

Here's a step-by-step explanation of what happens:


1. Stress triggers the release of hormones that cause hair follicles to enter the resting phase prematurely.
2. After a few weeks or months, hair begins to shed more than usual.
3. Once the stress is reduced, the hair follicles can return to the growth phase.
4. New hair will gradually replace the hair that was lost, and the hair should return to its normal growth cycle.

It's important to note that while hair can grow back after stress, the recovery process can take time, and the rate of regrowth can vary from person to person. Additionally, if the stress is chronic or severe, it may require medical intervention or lifestyle changes to address the underlying causes of the stress.

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Hair Grows Back. Hair that thins out because of stress does grow back, but it can take several months. You might not experience thinning follicles right after a stressful event, says the AHLC. Most of the time, there's a three-month delay before you notice hair loss.read more >>