Getting to work as you sleep, Tanologist’s Overnight Treatment Gradual Oil delivers the skin with a hydrated, sun-kissed glow. The self-tanning facial oil offers a customisable sunless tan, creating a deeper colour with the more drops used.Enriched with a skin-loving trio of pink grapefruit, goji berry and juniper, the formula moisturises and nourishes skin, while boosting radiance. Add drops directly to the face to reveal a gradual, bronzed glow that develops in eight hours.Vegan.