What it is: A primer that starts your styling routine by instantly cutting frizz by 50 percent all day versus untreated hair (even in extreme humidity).Hair Type: Fine, Medium, and ThickHair Texture: Straight, Wavy, and CurlyHair Concerns:- Frizz- UV Protection - Heat ProtectionHighlighted Ingredients:- Signature 6-Oil Blend: Provides conditioning, moisture, nourishment, softening, and smoothing.- UV Filters: Protects from the drying effects of the sun.Ingredient Callouts: Free of parabens, formaldehydes, phthalates, mineral oil, and sulfates SLS & SLES. It is also cruelty-free.What Else You Need to Know: Meet Bumble and bumble’s number-one bestseller. This multitasking leave-in provides heat protection up to 450°F/232°C, has UV filters to protect hair against the drying effects of the sun, protects color from fading for up to 16 washes, detangles to protect against breakage, smooths, softens, and adds shine.Fragrance Description: This is a luxe yet light scent of fruit and tropical florals, anchored with rich musk and woodsy notes.Clinical Results: In a frizz study, Hairdresser’s Invisible Oil Heat & UV Protective Primer was found to provide:- 55% reduction in frizz instantly- 51% reduction in frizz at the 8-hour time point- Provides frizz reduction even in extreme humidityIn a consumer study on 180 women after one use of Hairdresser's Invisible Oil Heat & UV Protective Primer: - 98% say hair feels hydrated- 96% say hair looks healthier - 95% say hair's easier to styleThis product is an Allure Best of Beauty award winner.