There are many different types of sponges that can be used for the face, but silicone sponges are becoming increasingly popular. There are several reasons why people believe that silicone sponges are good for the face. One reason is that they do not absorb as much water as traditional sponges, meaning that they will not strip the skin of its natural oils. They are also very soft and gentle on the skin, making them ideal for those with sensitive skin. In addition, silicone sponges are non-porous, so they resist bacteria build-up and won't harbor dirt and grime like other types of sponges can. Finally, silicone sponges are very easy to clean - simply rinse them with soap and water after each use.