A lightweight, non-sticky self-tan serum that hydrates now and develops into a natural-looking, sun-kissed glow over time, buildable, streak-resistant and never orange. A believable glow, built your way. GradualGlow Self Tan Serum is a silky, quick-absorbing formula that gives skin a hydrated, healthy-looking finish right away, then develops into a soft, gradual, sun-kissed tint you can customize day by day.