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🌟 Unlock fuller, thicker hair—because your scalp deserves the best!
Tatiana Irizar’s Hair Growth Serum is a US-made, lab-tested formula featuring six clinically backed botanicals that promote hair density and scalp health. With a lightweight, non-greasy texture and a fresh herbal scent, this vegan and cruelty-free serum delivers visible improvements in just 90 days. Auto-delivery options ensure you never miss a day, making it the go-to solution for all hair types seeking natural, effective regrowth.













| ASIN | B0D5D3HGKW |
| Active Ingredients | Rosemary, Amla, Nettle, Caffeine, Panthenol & Biotin |
| Age Range Description | Adult |
| Best Sellers Rank | #37,415 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #319 in Hair Regrowth Treatments |
| Brand | Tatiana Irizar |
| Brand Name | Tatiana Irizar |
| Customer Reviews | 4.4 out of 5 stars 239 Reviews |
| Hair Type | All Types of Hair |
| Item Form | Lightweight Serum |
| Item Type Name | Serums |
| Item Volume | 2 fluid ounces |
| Item Weight | 1 ounces |
| Manufacturer | Tatiana Irizar |
| Manufacturer Part Number | TI-Hair-Serum-2 |
| Material Type Free | Cruelty Free, Paraben Free, Sulfate Free |
| Number of Items | 2 |
| Recommended Uses For Product | Hair Care, Hair Growth, Hair Loss Treatments, Hair Regrowth, Scalp Serum |
| Scent | Growth Booster |
| Scent Name | Growth Booster |
| Unit Count | 2 Fluid Ounces |
A**O
Less shedding, thicker hair — I saw it myself in 90 days
I’d been dealing with excessive hair loss and flat, thin hair for months. Tried this serum without high expectations — and it surprised me. I apply it daily directly to my scalp with the dropper, massage for 2 minutes, and that’s it. No rinse, no residue, no heavy scent. By day 90: noticeably less shedding, more density, more shine. The difference is real. What sold me was the formula — Rosemary, Amla, Caffeine, Biotin — no sulfates, no parabens, no silicones. Clean ingredients that actually do something. One of the few products that delivers on its promise. Highly recommend.
M**O
TATIANA IRIZAR HAIR SERUM
I love this serum! It’s very easy to apply, doesn’t leave my hair greasy, and I feel like my hair looks healthier and has more body. The dropper makes it very convenient to apply directly to the scalp. I’ve been using it for a while and I’m very happy with the results. I definitely recommend it!
A**B
I’m really impressed with this hair serum!
After using it consistently for a few weeks, my hair feels stronger, healthier, and looks much shinier. I’ve also noticed less hair fall when brushing and I’m seeing new baby hairs growing around my hairline. It doesn’t leave my hair greasy, absorbs quickly, and a little goes a long way. I’ll definitely keep using it and would recommend it to anyone looking to support healthier, fuller-looking hair.
J**A
Noticeable difference for me !!!
This is my second time purchasing this product because it has significantly reduced my hair loss while making my hair appear noticeably thicker and fuller. I’ve seen a huge difference in the amount of hair left on my hairbrush. The serum is lightweight, doesn’t feel greasy, and doesn’t make my hair look dirty like other hair serums I’ve tried. I highly recommend this product to anyone with thin or low-density hair who wants it to look fuller and healthier. It has made a noticeable difference for me, and I’ll definitely continue repurchasing it.
J**Z
lightweight and completely non-greasy
I’ve tried countless hair growth products over the years, but the Tatiana Irizar Caffeine Hair Growth Serum genuinely surprised me. After just a few weeks of consistent use, I noticed less shedding and new baby hairs starting to come in along my hairline. The formula is lightweight and completely non-greasy, it absorbs quickly without leaving any residue, which was a big concern for me. A few drops go a long way, so the bottle lasts longer than expected. If you’re dealing with thinning hair or just want to boost growth, this serum is absolutely worth it. Already on my second bottle and won’t be stopping anytime soon. Highly recommend!
K**A
Love the results!
Great presentation and I love the feeling that I have when I used it. Since almost 3 weeks that I received, I can see the results.
T**S
No difference after purchase
Is really expensive for the size and really don’t see any difference
G**A
Its easy to use and fits right into my routine
I have been using this hair density and I am really happy with it. My hair feels fuller and has a lot more body, especially around the roots.
Trustpilot
2 months ago
2 months ago