Crisp Fade Haircut Photoshop Retouch

I have a close-up portrait where the fade and line-up don’t look as sharp on camera as they did in the chair. I want the final image to show a darker, more blended fade and a razor-clean line-up without looking over-edited... (Budget: $10 - $30 USD, Jobs: Adobe Photoshop, Color Grading, Graphic Design, Image Processing, Photo Editing, Photo Retouching, Photoshop, Photoshop Design)