“The most emotional issue my patients have is hair loss,” says New York dermatologist Cheryl Karcher, MD below a jaw-dropping before-and-after photo shared to her Instagram page. On the left half of the photo shared is a young woman’s exposed hairline—the hair is so thin and sparse, the entire scalp is visible wherever your eye is drawn. On the right side of the photo, the same woman, but with an almost unbelievable amount of thicker hair, and, somehow, a sense of renewed confidence.

The secret? A little thing called nanofat.

“In the past we only had PRP to offer that had to be done three times or more. Sometimes it would work, sometimes it didn’t. Now we have nanofat hair restoration, which needs to be done just once, and is much more effective way to treat hair loss and grow hair,