The answer depends entirely on the underlying cause. Alopecia areata is a chronic relapsing and remitting condition, meaning regrowth can occur naturally during remission periods, though recurrence is also common. In documented cases, treatment such as corticosteroid injections has produced near complete hair regrowth once the underlying autoimmune activity was addressed. Conditions tied to excessive shedding from temporary triggers, such as thyroid imbalances or post illness telogen effluvium, often resolve once the root cause is treated medically. However, if the follicle has already stopped producing hair entirely (a process called miniaturization or, in severe autoimmune cases, permanent follicle damage) medical treatment alone may not be enough, and options like PRP therapy or hair transplant surgery become relevant. This is a manageable and expected aspect of the result, not a complication. Beyond trimming, long-term care is minimal. The transplanted follicles do not require special products or ongoing medical treatment to maintain their results.