Use as a morning or travel skin-prep step after applying the compatible serum. Apply FACEGYM Collagen Infusion Serum before using the FaceGym Pro so the device can glide and conduct properly. FaceGym's Pro instructions say to apply Collagen Infusion Serum to the face and during every use, and note that the serum was made to be used with the device. British Vogue says Vikander rolled FaceGym Pro's Electric Muscle Stimulation Device over her jaw and cheeks on a flight.
The same article says she also does face exercises at home and believes keeping facial muscles strong helps the foundation of the skin follow.