Kinvara 24hr Rosehip Face Serum (30ml). Kinvara Skincare Stockists. Kinvara 24hr Rosehip Face Serum is an multi-award winning face serum designed to provide intensive care to even the most demanding skin, this concentrated formula is packed with plant extracts, vitamins, antioxidants and calming ingredients.. A Rosehip Serum for your face in a little bottle but a big difference!. Click this link to discover all of our Kinvara lines.. You may check out our customers Kinvara Serum Reviews below.