The full face tempered glass is a full coverage hardened glass, specially designed to protect your mobile phone screen from scratches and other damages. In case of a drop, it provides additional protection, although it does not guarantee that the screen will not break.
The composition of the glass does not affect the screen's functionality. It features adhesive across the entire surface, unlike edge glue glasses that have adhesive only along their edges. This ensures better application and trouble-free operation of the touch screen. Additionally, it prevents dust from passing underneath, which can happen with edge glue glasses when the perimeter glue wears out.