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✨ Smooth, sleek, and sustainably chic – your hair’s new best friend!
Biolage Smooth Proof 6-in-1 Hair Serum is a vegan, cruelty-free hair treatment enriched with avocado and grape seed oils that delivers 72 hours of frizz control. Designed for all hair types, it smooths, nourishes, detangles, and protects hair from humidity while being safe for color-treated hair. This paraben-free serum offers a multi-benefit formula that elevates your hair care routine with a fresh citrusy scent and eco-conscious credentials.





| ASIN | B0CYH314XG |
| Best Sellers Rank | #111 in Beauty ( See Top 100 in Beauty ) #2 in Hair Styling Serums |
| Brand | Biolage |
| Customer Reviews | 4.3 out of 5 stars 29,814 Reviews |
| Hair Type | Dry, Frizzy |
| Item Form | Serum |
| Item Type Name | Hair_Serum |
| Item Volume | 200 Millilitres |
| Item Weight | 200 Grams |
| Liquid Volume | 200 Millilitres |
| Manufacturer | L'Oréal India |
| Number of Items | 2 |
| Product Benefits | Nourishing |
| Scent | Avocado |
| Unit Count | 200.0 Milliliters |
A**R
Really good product
Value of money product, using it for 2 years now. No stick and control frizz
J**T
It is good product.
Very smooth serum for frizzy hair.
S**N
Good
I’ve been using this serum for the last 5 years and it’s really amazing. It keeps my hair smooth and tangle-free. Such a good product.
G**I
It's specially for fizzzy hair so check well the serum benifits before purchase
I'm using this product from last 6 months.. it's made my hair smooth & gives shine..also stop hair fall..Perfect for your daily haircare routine, especially when you're short on time. I'm going to buy one more !🧚🏻✨
V**A
Nice and lightweight, but results are ordinary
I like that this serum features avocado and grape seed oil without feeling heavy or sticky. It leaves a nice initial shine and makes combing through damp hair easier. That said, the effects wear off pretty quickly in humid conditions. It’s a standard, middle-of-the-road serum that does an alright job, but nothing extraordinary.
D**I
Super
Excellent too good using this from past 7 years
R**A
For fine or straight hair
Super lightweight best for fine hairs. The fragrance is good. It's not oily. Gives you the shine.
M**U
Same product but different experience at second time
Here’s a clean and corrected version of your review: “I have used this hair serum before and it worked really well for me. It gave my hair a smooth texture and was very effective. However, this time I ordered it from Amazon, and the product quality seems completely different. It doesn’t provide any smoothness or texture at all, and it feels like it’s not working. I’m not sure what went wrong, but this experience has been disappointing.” If you want, I can make it sound more strict (for complaint) or more casual (for social media).
M**A
Lo consiglio
È fantastico lascia i capelli morbidi e setosi lo consiglio per chi ha i capelli crespi. Ottimo prodotto
Z**S
يستحق الشراء
يعطي نعومة وحتى على اليد بعد ما تمسحي شعرك يصير ناعم وريحته حلوة
K**I
Très mauvaise composition
Mauvaise composition dommage j’ai dû le jeter. Noté 0 sur Yuka
S**I
Quality is awesome 👌
One of my random but best purchase. After using about 3 months I am giving this feedback. It is fabulous product . Go for it .
S**M
Love this 👍
Good for my hair. Sadly discontinued 😞
Trustpilot
3 weeks ago
1 month ago