Bumble and Bumble - Hairdresser's Invisible Oil Shampoo 473 ml. This multifunctional and moisturizing shampoo instantly transforms dry or brittle hair and makes it silky smooth. - Softens, tames and smoothes tangled or frizzy hair. - Protects the hair from damage - without flattening the hair. Bumble and Bumble's Invisible Oil Sulfate Free Shampoo is silky smooth and makes hair easy to detangle. The rich shampoo pampers the hair with a composition of valuable oils, while also smoothing and protecting. It is specially developed for brittle, dry and stubborn hair and should be used in combination with the conditioner from the series. Bumble and Bumble - Sulfate Free Shampoo from the Hairdresser's Invisible Oil range is an oil-containing shampoo without sulfates that adds moisture and tames, smoothes, protects and conditions the hair so that it becomes soft and supple. Enriched with six luxurious oils - argan oil, almond oil, thistle oil, grape seed oil, coconut oil and macadamia oil - it pampers hair without weighing it down.