Revlon One-Step Volumiser Plus Detachable Head - UK Plug RVDR5298UK 18 Years& Up. Revlon One-Step Volumiser Plus Hair Dryer Brush with Detachable Head – UK Plug RVDR5298UK | For All Hair Types. Ideal for users 18 years and older, this powerful 820W hot air brush is perfect for drying, volumising, straightening, and styling all in one easy step.