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🌟 Unlock your hair’s full potential with Bellisso’s biotin serum — thicker, shinier, stronger!
Bellisso’s Biotin Hair Thickening Serum is a 2 fl oz professional-grade treatment designed for men and women seeking to repair thinning hair and boost volume. Featuring a potent blend of biotin and natural botanical oils like lavender and sunflower seed, this cruelty-free, sulfate- and paraben-free formula nourishes hair from root to tip, reduces frizz, and enhances shine for a fuller, healthier look.


















| ASIN | B08Z5GK3HX |
| Active Ingredients | Biotin, Lavender oil, Sunflower Seed Oil |
| Age Range Description | Adult |
| Best Sellers Rank | #11,585 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #102 in Hair Treatment Oils |
| Brand | BELLISSO |
| Brand Name | BELLISSO |
| Customer Reviews | 4.4 out of 5 stars 6,110 Reviews |
| Hair Type | All |
| Item Form | Oil |
| Item Volume | 2 fluid ounces |
| Item Weight | 0.15 kg |
| Manufacturer | BELLISSO |
| Manufacturer Part Number | biotinserum1 |
| Material Type Free | Cruelty Free, Paraben Free, Sulfate Free |
| Number of Items | 1 |
| Recommended Uses For Product | Hair Loss,Hair Thickening,Women Health,Men,Hair Growth |
| Scent | Biotin |
| Scent Name | Biotin |
| UPC | 765066671174 |
| Unit Count | 2 Fluid Ounces |
K**I
10 OUT OF 10
I've been using this hair serum for a few weeks, and I'm really impressed with the results. It leaves my hair feeling soft, smooth, and noticeably less frizzy without making it greasy. It also adds a healthy shine and makes my hair much easier to manage. A little goes a long way, and the scent is pleasant without being overpowering. I would definitely recommend this serum to anyone looking to improve the look and feel of their hair.
D**O
Amazing Keratin Hair Serum – Smooths Frizz and Leaves a Beautiful Shine!
I am absolutely in love with this keratin hair serum! Just a small amount transforms my hair, leaving it incredibly soft, sleek, and easy to manage. It works wonders for controlling frizz and smoothing down flyaways without making my hair feel greasy or weighed down. It leaves a gorgeous, healthy-looking shine and has a wonderfully subtle, pleasant scent. I highly recommend it to anyone looking to deeply nourish and restore their hair!
D**H
Keratin Hair Serum – Heat Protection
This keratin hair serum has a lightweight texture that spread easily through damp hair without feeling greasy. During heat styling, it seemed to smooth strands and left hair looking shinier compared with un-treated sections. The applicator made it simple to distribute the serum from roots to ends without excess product buildup. In terms of protection, my hair appeared to handle blow-drying and flat-ironing without visible dryness or frizz afterward. It also rinsed out cleanly and did not make hair feel weighed down, which helped keep my overall styling routine manageable. On the downside, the scent was noticeable and may not suit people who prefer very mild or fragrance-free products. Additionally, while my hair looked smoother, the results were not as dramatic as some higher-end serums I’ve used before. Overall, this keratin heat-protective serum offers a balance of smoothness and ease of use for routine styling, and it could be a good everyday choice for those looking to add a bit of polish before using heat tools.
A**R
This tea tree hair serum completely transformed my dry, itchy scalp and frizzy hair!
I’ve struggled with dandruff and a flaky, itchy scalp for years, plus heat-damaged hair from daily styling. This Bellisso tea tree serum has been a total game-changer. The lightweight formula absorbs quickly into my scalp without leaving a greasy residue, and the cooling tea tree oil instantly soothes irritation. After just two weeks, my dandruff has drastically reduced, and my scalp no longer feels tight or itchy. The keratin in the serum also tames my frizzy ends and adds a healthy shine, making my hair feel softer and smoother than ever. I apply a few drops to damp hair before styling, and it protects my strands from heat damage too. I can’t recommend this enough!
T**M
It doesn’t itch anymore
I honestly think this stopped the irritation I was experiencing immediately … So grateful… I was about to take these braids out if this didn’t work.
C**A
Appearance
This product was recommended by my doctor. I am still using it and don't see a difference yet.
C**Y
Leaves Hair Smooth and Shiny
“I really liked this argan oil serum. It helps control frizz and leaves my hair feeling soft, smooth, and shiny without looking greasy. A small amount goes a long way and the scent is very nice. Perfect for dry or damaged hair and great value for the price.”
T**N
Very, very, good serum for scalp irritation.
Thank you to the reviewers for leading me in the right direction. My scalp was going through it. I haven’t reached to scratch my head since the first day I used this serum. The effects last a very long time, even after washing. It’s had positive effects on my hair as well, as far as manageability and growth. It moisturizes without making my scalp shiny and greasy looking and it’s light on my hair. I haven’t had a breakout on my scalp and for that reason this is the only thing that I put in my head right now.
K**Y
Very good product
after coloring, my hair was like straw, it was not combed, it was in a terrible state, this product solved all the problems the first time, amazingly
R**D
سعره مرتفع مقارنة بنتائجه على الشعر
جيد
A**R
Pretty good?
It’s been a few weeks of usage. Initially I noticed an immediate difference in hair loss, but now I’m not super sure anymore, however I certainly notice more hair growth and my hair has more volume overall! I do enjoy using it for some scalp and my dandruff has significantly reduced too! If you’re going to use it before bed, make sure to have some clothing or towel on your pillow or your pillow might absorb the oil like mine did.
A**N
Entrega de producto derramado
El producto fue entregada con derrame, la caja estaba llena de producto,
A**N
Didn’t work on me
Worst product, while using this product I lost the hair line. I’m deeply saddened by adverse effect on scalp.
Trustpilot
2 days ago
1 month ago