Peter Thomas Roth Instant FIRMx Eye Temporary Eye Tightener 1 fl oz New- sealed Best kept secret - keep this in the fridge! What is it: Instant FIRMx Eye fills wrinkles to help skin around the eye area appear firm and smooth. Who is it for: Anyone looking to temporarily have the appearance of smoother, firmer skin around the eye area. Why is it different: It pampers and protects the delicate skin around your eye area while temporarily filling wrinkles.