Enter the RoC Derm Correxion Lip Volumiser Plumping Balm, £19.99. RoC Derm Correxion Lip Volumiser Plumping Balm: What makes it special? Shop: RoC Derm Correxion Lip Volumiser, Plumping Balm1. RoC Derm Correxion Lip Volumiser Price: £19.85 (was £29.99) View offer RoC’s powerful Pro-Collagen Peptide also works to smooth the lips for ‘younger-looking lips with more defined contours’. Price: £19.85 (was £29.99) View offerRoC Derm Correxion Lip Volumiser Plumping Balm: Our ReviewRachael Martin, Beauty Director, says:‘First things first - the packaging.