The Peter Thomas Roth Instant FIRMx Face Tightener is a 1.35 fl oz cream specifically designed to target wrinkles and provide firming effects. It is suitable for all skin types and contains hyaluronic acid as an active ingredient. Clinically tested and formulated with glycerin, this face tightener from the Instant FIRMx product line is designed to smooth wrinkles and improve the appearance of the face. Additionally, it provides some UVA protection with a star rating of 1.