In the picture, you can see a few miniaturized hairs, but not as many as I would want to see, suggesting that the loss may not be easily reversible. Miniaturized hairs can thicken with a drug like finasteride. We have performed Scalp Micropigmentation on the crown in people like you with great success. See here: https://scalpmicropigmentation.com/thinning-hair-gallery/
