Personal Photo Face Sharpening

I have a single image that means a lot to me, but the faces are noticeably soft. I need someone who can bring those facial details back to life without introducing halos, noise, or an over-processed look... (Budget: £20 - £250 GBP, Jobs: Adobe Photoshop, Digital Art, Graphic Design, Image Processing, Photo Editing, Photo Retouching, Photoshop, Photoshop Design)