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Biolage Smooth Proof Deep Treatment Pack Multi Use Hair Mask #1
Biolage Smooth Proof Deep Treatment Pack Multi Use Hair Mask #1

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BiolageSmooth Proof Deep Treatment Pack Multi Use Hair Mask

Item 2543964

4.3 out of 5 stars. 364 reviewsQ & A
Size:3.4 oz


Conscious Beauty at Ulta Beauty™

  • Vegan
  • Clean Ingredients
  • Cruelty Free
  • Sustainable Packaging Brand

Biolage Deep Treatment Smooth Proof multi-use deep treatment hair mask for taming frizz, split ends & fly-aways for an overall sleek finish. Hair is instantly smoother with less breakage in just 5 minutes. Frizzy hair is controlled, feels softer and is more manageable. Packaging may vary.



  • Softer Hair
  • Controls frizzy hair
  • Smooths hair
  • Protects against breakage

Research Results

  • Up to 70% less breakage*
  • Immediately hair is 8X smoother**
  • *When used as a system with Biolage shampoo
  • **Vs. non-conditioning shampoo with the system of Shampoo and Mask

How To Use

Apply to wet hair and leave in 3-5 minutes. Rinse thoroughly. Biolage recommends that you use the Biolage Smooth Proof Deep Treatment after cleansing with Biolage Smooth Proof Shampoo for added frizz protection and smoothness. Use once weekly in place of Biolage Smooth Proof Conditioner. Recommended for frizzy hair.

Precautions: In case of contact with eyes, rinse them immediately.


Aqua/Water/Eau, Cetearyl Alcohol, Behentrimonium Chloride, Amodimethicone, Candelilla Cera/Candelilla Wax/Cire De Candelilla, Cetyl Esters, Glycerin, Parfum/Fragrance, Isopropyl Alcohol, Phenoxyethanol, Trideceth-6, Hydroxypropyl Guar, Ricinus Communis Seed Oil/Castor Seed Oil, Camellia Oleifera Seed Oil, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Cetrimonium Chloride, Linalool, Chlorhexidine Dihydrochloride, Benzyl Alcohol, 2-Oleamido-1,3-Octadecanediol, Citronellol, Isoeugenol, Ci 19140/Yellow 5, Ci 15985/Yellow 6, Tocopherol.