Hair mask that tames frizz, split ends & fly-aways for an overall sleek finishMulti-use deep treatment hair mask for taming frizz, split ends & fly-aways for an overall sleek finish. Hair is instantly smoother with less breakage. Frizzy hair is controlled, feels softer and is more manageable.

Discover Biolage Deep Treatment SmoothProof Multi Use Hair Mask for instant gratification and total hair transformation. Highly concentrated in caring agents for healthier-feeling hair with each use* .
Put frizzy hair on notice with this high-powered treatment. Immediately hair is 8X smoother** with up to 70% less breakage*. Frizzy hair is controlled and hair feels softer and more manageable for smooth polished hairstyling results. Vegan formulas and highly concentrated in plant-based emollients. The goodness of camellia and castor oil strengthen condition and encourage hair growth.
Small but mighty, each pack contains at least four applications. Easy to squeeze our packs are 77% lighter than a container of the same size and perfectly sealed for a fresh application each time.
Pro Stylist Tip: No need to use conditioner our highly concentrated formulas result in hair feeling more manageable and easier to detangle
*when used as a system with Biolage shampoo
**vs. non-conditioning shampoo with the system of Shampoo and Mask