OlidiaIt is a durable and safe collagen stimulator.Olidia® is an injectable dermal filler based on poly L-lactic acid. This filler has been developed to fill in the lost volume on the face by stimulating collagenesis. The main ingredient of Olidia® is PLLA. PLLA has been used around the world for over 20 years in medical devices, e.g. for dissolving sutures. As Olidia® is made of synthetic materials, there is no need for allergy testing before the procedure.