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Hydra Source |
Ultra Hydra Source |
Volume Boost |
Strength Recovery |
Scalp Sync |
Full Rescue | ||
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Color Last system of Shampoo and Conditioner, nourishes and protects to help maintain the shine of color-treated hair. |
Inspired by the never dry aloe plant, Hydra Source hair care system cleanses and quenches dry, damaged hair to restore softness, shine and moisture while preventing frizz. |
Restore very dry hair back to its soft, manageable, and supple state with the Ultra Hydra Source hair care system. |
Volume Boost Shampoo, Conditioner, and Root Lift Volumizing Spray add volume and lift to fine hair. |
Infused and micro-dosed with olive squalane and vegan proteins, Strength Recovery gently cleanses and detangles for 3x stronger hair after one use. |
Scalp Sync Collection: Scalp Sync system of shampoo, conditioner, and scalp treatment helps eliminate dandruff symptoms, nourishes the scalp, and controls flakes. |
Scalp Sync Collection: Scalp Sync system of shampoo, conditioner, and scalp treatment helps eliminate dandruff symptoms, nourishes the scalp, and controls flakes. |
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Highlights
Summary
Experience frizz-free locks with Biolage Smooth Proof Conditioner. Infused with camellia oil and glycerin, it nourishes and smooths hair, providing humidity defense and static control.
Benefits
- Smooths and nourishes naturally-prone frizzy hair
- Instantly detangles and leaves hair more manageable
- Provides hydration without weighing hair down
- Infused with anti-frizz concentrate of camellia oil and glycerin
- Tames frizz and provides the perfect amount of nourishment and smoothness
- Tube made with 73% recycled plastic
Key Ingredients
- Camellia Oil: A nourishing emollient that acts as a protective layer against environmental aggressors, like humidity, to eliminate frizz
- Glycerin: A natural humectant that draws moisture to the hair to reduce dehydration and frizz
Research Results
- Defrizzes hair while providing static control
- Defends against humidity
- Humidity control
- Anti-frizz smoothness
- Manageable hair
Item 2637974
Experience frizz-free, perfectly smooth hair with just a 1-3 minute leave-in treatment. Use after Smooth Proof Shampoo for static control and humidity defense.
Aqua / Water / Eau, Cetearyl Alcohol, Elaeis Guineensis Oil / Palm Oil, Behentrimonium Chloride, Glycerin, Phenoxyethanol, Isopropyl Alcohol, Stearamidopropyl Dimethylamine, Parfum / Fragrance, Camellia Oleifera Seed Oil, Citric Acid, Chlorhexidine Dihydrochloride, Limonene, Tocopherol
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Questions
Ask a QuestionQ&A
Showing 5 out of 17 Questions
- Q
If this product draws moisture to the hair, how is that combating frizz? Being out in humidity causes frizz.
- Asked by SB
- Official Answer By Matrix - Brand EngageHi there! Thank you for reaching out about Biolage Smooth Proof Conditioner! This is infused with antifrizz concentrate of camellia oil and glycerin. Camellia oil is a nourishing emollient that acts as a protective layer against environmental aggressors, like humidity, to eliminate frizz. Glycerin is a natural humectant that draws moisture to the hair to reduce dehydration. We hope this helps!Was this answer helpful to you
- Q
I have very fine, dry hair, which products would be best?
- Asked by Mary
- Official Answer By Biolage - Brand EngageHi there, thank you for asking your question. We recommend using Biolage Volume Bloom. We hope you give it a try.Was this answer helpful to you
- Q
How does smooth proof conditioner compare to the biology 3 butter condition that has been discontinued???
- Asked by Barb
- Official Answer By Biolage - Brand EngageHi there! We appreciate your interest in Biolage Smooth Proof Conditioner. This conditioner detangles, de-frizzes and defends against humidity to keep hair manageably smooth. We hope you find this information helpful!Was this answer helpful to you
- Q
Would this be heavy on thin wavy hair?
- Asked by Tiff
- Official Answer By Biolage - Brand EngageHi there, thank you for asking about Biolage Smooth Proof Conditioner. This conditioner might be too heavy for your hair type. We recommend using Volume Bloom. We hope this is helpful to you.Was this answer helpful to you
- Q
Is this good on 4C hair
- Asked by Gigi
- Official Answer By Matrix - Brand EngageHello Gigi, thanks for asking about Smooth Proof Conditioner. This product works on all hair types, including curly hair. We hope this helps!Was this answer helpful to you
Reviews
Write A REVIEWReview Snapshot
by PowerReviews
Ratings Distribution
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Hair Type
Most Helpful Positive Review
Best EVER
I have used biolage off and on for years. The salon I went to used a different product so I switched. My hair became hard to manage, dry and dull. I recently went back to biolage and used the smoothproof for the first time. I could not be happier with my decision. My hair is soft, smooth and shiny a...
Most Helpful Critical Review
Not good for natural curls
I have naturally curly, and fine hair. This shampoo and conditioner did not smooth the frizz at all. It made my hair poofy and dry. Also, this shampoo and conditioner set does not have a great smell at all. I used the line with the Smooth proof anti-frizz creme and the curl gel. Results were disapp...
911 results
Game changer
Hair Type Very Curly Hair
I have curly long hair. It always frizzy and the only way to tame it is to straight it. This conditioner one use and my hair made a complete 360. I loved it so much the next week I went and bought the rest of the like. I'm wearing the my hair again
Great Shampoo!!
Hair Type Wavy Hair
This shampoo is a game changer for me! It smoothes my hair and when I blow dry my hair, there is no frizz at all! It smells so clean and fresh!
Where has this product been my whole life?
Hair Type Very Curly Hair
After years and I mean years—of fighting frizz, dryness, and the chaos that is my unruly Type 3 curls, I finally found the one. Biolage Smooth Proof has been a total game-changer for me. It took a couple of weeks to really see the difference, so be patient if you've got textured hair like mine—but when I tell you my curls are now soft, nourished, and actually manageable, I mean it. I spent years bleaching my hair into oblivion and this combo still came through. It's the only thing in the last 10 years that's actually worked for me—and I'm never looking back.

Worth the price.
Hair Type Wavy Hair
Always my favorite hair product. It's worth the money I pay. Wonderful product always. I recommend smooth proof for my hair type. Very smooth outcome. Highly satisfied customer.

New bottles have less product
This is a good conditioner. New bottles have less product for same price though. I will not purchase again.