Accutane (isotretinoin) can trigger telogen effluvium, a type of hair loss. This happens because Accutane affects the hair growth cycle.
Here’s how it works: Your hair follicles go through different phases: anagen (growth), catagen (transition), and telogen (resting). Normally, a small percentage of hairs are in the telogen phase at any given time. Telogen effluvium causes a significantly larger percentage of hairs to enter the telogen phase simultaneously, leading to noticeable shedding a few months after the trigger.
- The Mechanism: Accutane’s impact on oil glands (sebaceous glands) plays a role. Reduced oil production might indirectly affect hair follicle health and the hair growth cycle, pushing more hair follicles into the resting phase. Timing: Hair shedding typically begins 2-4 months after starting Accutane. This delay reflects the time it takes for follicles to transition to the telogen phase. Severity: The severity varies greatly depending on individual factors such as genetics and the Accutane dosage.
While concerning, telogen effluvium related to Accutane is usually temporary. Hair growth typically resumes once Accutane treatment ends and the hair cycle normalizes. However, consulting a dermatologist is crucial.
Consult your dermatologist: Discuss any hair loss concerns immediately with your dermatologist, especially if the shedding is excessive or persistent. Monitor your hair: Keep track of your hair shedding. Note the timing, amount, and any other relevant symptoms. Lifestyle adjustments: A healthy diet and a gentle hair care routine support hair health, though won’t eliminate the Accutane-induced shedding.
Remember, professional guidance is paramount. Your dermatologist can provide personalized advice and rule out other potential causes of hair loss.


