Is sub facial the same as above the muscle ?

Subfascial breast augmentation is an above the muscle procedure. The fascia is a thin layer of tissue right on top of the muscle. In traditional subglandular augmentations, the fascia is left in place and the implant is on top of it. In subfascial augmentation, the implant is under the fascia but above the muscle. There are some who think that subfascial augmentation is preferable to subglandular , especially for capsular contracture, but newer studies show no difference in capsular contracture rates between the two placements.

An implant placed submuscular or under the pectoralis muscle is deep to the fascia the fascia lies on top of the muscle. Some plastic surgeon like to place the implant in the sub fascias  plane which is above the muscle but is still not subglandular.

Yes, a subfascial breast augmentation is above the chest muscle.  Many plastic surgeons feel that subfascial breast augmentation has few or no advantages to sub-glandular breast augmentation.  Sub-muscular breast augmentation places the implant beneath the chest muscle.  Subfascial attempts to elevate a skin layer of fascia off of the muscle to provide additional coverage when the implant is placed beneath the breast.