Dermal filler: Treat yourself to a 1ml dermal filler treatment at Sol Cosmedics. Hyaluron pen: Instead of a traditional dermal filler methods, the hyaluron pen pushes filler into the targeted area without any needle. Location: A chic and professional clinic located within the prestige Harley Street, London. Areas: Choose from six areas including lip augmentation, nasolabial lines, marionette lines, forehead wrinkles, neck and hands. Perfect for: Look no further if you're looking to plump your pout or rejuvenate your face. Valid: Mon-Tue and Thu-Sun 9.30am-5pm. Hyaluron Pen Dermal Filler | Regional | Living Social