Month 0: A trigger event shifts your hair cycle.
The story almost always starts with a physical or emotional stressor: childbirth, surgery, illness, hormone change, intense stress, or even weight loss of more than 10 pounds.
These types of events send a shock signal through your system, prompting your body to reallocate resources away from things it doesn’t consider essential, such as hair growth. As a result, a larger number of hair follicles than normal shift from the active growth phase into a resting phase. This transition happens beneath the surface with usually shows no outward signs at first, which is why the connection to the trigger often isn’t obvious at the moment.