First Months
In the first few months, the area may appear temporarily sparse due to shock loss.
Months 3–6
Starting around months 3–4, new hair begins to grow in the form of very fine strands. At this early stage, the hair has not yet reached its full thickness.
Months 12–18
The hair continues to thicken and grow. By months 12–18, the final result and natural appearance are largely established.