[ PHYRIS ] TIME RELEASE Collagen Filler 30mlTIME RELEASE Collagen Filler Firming serum with collagen Intensive anti aging serum that instantly and lastingly tightens the skins contours The PHYRIS Collagen Filler intensive serum immediately targets the typical changes of mature, tired skin and quickly ensures firmer contours. Collagen, an important constituent of connective tissue, improves the elasticity and firmness of the skin over the long term and can support the restructuring of the