90 minutes: The treatment takes up to an hour and a half for the full set of lashes to be applied to ensure that you get the most out of your treatment. Treatment: Give yourself a lift with an individual hybrid lash extensions treatment from Kerry B Beauty in Walthamstow. Valid: Wed 4pm-8pm, Thu-Sat 10am-8pm. Hybrid lashes extension: The lash extension treatment involves applying individual synthetic lashes onto each natural eyelash to add extra length and volume to your look. Kerry B Beauty: Founded by Kerry four years ago, this unique salon is passionate about making everyone feel beautiful. Location: Situated in Walthamstow in North London. Hybrid Individual Lash Extensions | Regional | Living Social