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Highlights
Summary
Instantly hydrate and detangle even the finest strands with Biolage Hydra Source Daily Leave-In Tonic. This leave-in conditioner, with micro-filtered aloe vera and fermented hyaluronic acid, delivers softness, shine, controls frizz, repairs dry, tangle-prone hair, and protects against heat damage.
Benefits
- This hydrating mask deeply infuses dry, thirsty hair with vital moisture and nourishment.
- Helps prevent breakage and promotes strength, leaving hair feeling softer, healthier, and more resilient.
- Experience 5x more hydration and 14x smoother hair after just one use* for ultimate Hair Repair and Hair Shine.
Key Ingredients
- Aloe: Nourishes hair, promoting lasting hydration.
Research Results
- 5x more hydration after one use*
- 14x smoother hair after one use*
- Hydrated, manageable, and softer feeling hair
- *Hydra Source Shampoo and Deep Treatment Pack vs. non-conditioning shampoo.
Item 2637964
Spray onto damp hair, combing from root to tip, for an instant moisture boost and renewed shine. Helps shield locks from pollution and other environmental aggressors. Leave-in formula - no need to rinse.
Aqua / Water / Eau, Cetearyl Alcohol, Polysorbate 20, Behentrimonium Chloride, Parfum / Fragrance, Orbignya Oleifera Seed Oil, Cetyl Esters, Amodimethicone, Sodium Benzoate, Isopropyl Alcohol, Citric Acid, Limonene, Tocopherol, Trideceth-6, Chlorhexidine Dihydrochloride, Hexyl Cinnamal, Coumarin, Sodium Hyaluronate, Xylose, Panthenol, Ethylhexyl Salicylate, Aloe Barbadensis Leaf Juice, Cetrimonium Chloride, Linalool, Amyl Cinnamal, Geraniol, Isoeugenol, Alpha-Isomethyl Ionone, Hydroxycitronellal, Benzyl Benzoate, Cinnamyl Alcohol, Citronellol, Benzyl Alcohol, Potassium Sorbate
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Reviews
Review Snapshot
by PowerReviews
Ratings Distribution
Hair Type
Most Helpful Positive Review
Recommend for dry hair! Best trio for the best hair.
I received this product in exchange for my honest review. The Biolage HydraSource Daily Leave-In Tonic is the final step in my HydraSource hair care trio, and it's the cherry on top. After loving the shampoo and detangling solution, I added this leave-in to my routine and instantly noticed an upgrad...
Most Helpful Critical Review
Good but not for my hair type, application needs improvement
[I received this product in exchange for my honest review] I have thin density 2a medium texture hair that is currently mid-back length. I tried this product a couple of times. For my first time with this product, I used the accompanying shampoo then the accompanying conditioner beforehand. It says ...
1088 results
Hydrating and smells good
Hair Type Wavy Hair
I liked this product. I have coarse, dry, wavy hair and this helped my locks feels softer and smoother. [I received this product in exchange for my honest review]
Love this!
I received this product in exchange for my honest review. Amazing for dry tangly hair! I also love that it's a heat protectant as well. It makes my hair feel so soft and more manageable. I would definitely buy this again and recommend it to a friend.
Nice leave in
[I received this product in exchange for my honest review] A nice leave in conditioner, love it for summer when regular conditioner is too heavy for my hair.
[I received this product in exchange for my honest review]
Hair Type Very Curly Hair
This product exceeded all my expectations. You can achieve a lot with just a little bit of product. Before, it took me a long time to detangle my hair, but now I do it super fast.

Doesn't take alot to get the job done
Hair Type Very Curly Hair
[I received this product in exchange for my honest review] but let me tell you 10/10 recommend this is an amazing source of moisture for your hair rather your using it on wash day or just for a weekly refresh in between styles.
