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🌱 Unlock fuller, thicker hair—because your scalp deserves the best!
Tatiana Irizar’s Caffeine Hair Growth Serum is a 1 fl. oz. USA-made, cruelty-free, and vegan scalp treatment featuring a powerful blend of six botanicals including caffeine and biotin. Lab-tested and IBA certified, this lightweight, non-greasy serum delivers visible hair density improvements within 90 days. Designed for all hair types, it nourishes the scalp, reduces shedding, and promotes healthier, thicker hair with a refreshing herbal scent.













| ASIN | B0D352FKFB |
| Active Ingredients | Rosemary, Amla, Nettle, Caffeine, Panthenol & Biotin |
| Age Range Description | Adult |
| Best Sellers Rank | #41,901 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #378 in Hair Regrowth Treatments |
| Brand | Tatiana Irizar |
| Brand Name | Tatiana Irizar |
| Customer Reviews | 4.4 out of 5 stars 312 Reviews |
| Hair Type | All Types of Hair |
| Item Form | Lotion |
| Item Type Name | Serums |
| Item Volume | 1 Fluid Ounces |
| Item Weight | 1 Ounces |
| Manufacturer | Tatiana Irizar |
| Manufacturer Part Number | TI-Hair-Serum-1p |
| Material Type Free | Cruelty Free, Paraben Free, Sulfate Free |
| Number of Items | 1 |
| Recommended Uses For Product | Hair Care, Hair Growth, Hair Loss Treatments, Hair Regrowth, Scalp Serum |
| Scent | Growth Booster |
| Scent Name | Growth Booster |
| UPC | 197644040209 |
| Unit Count | 1.0 Fluid Ounces |
G**S
Smell delicious
I’ve been using this hair thickening serum for a few weeks and I can already see a difference. My hair looks fuller, feels healthier, and I’ve noticed less shedding. It’s lightweight, non-greasy, and absorbs quickly without leaving buildup. Definitely worth trying if you want thicker-looking hair!
E**L
Feels great!
After just a few uses, I have noticed less shedding. I am very hopeful to see results after longer use. It goes on smooth without making my hair feel greasy. With thin hair, other products have made my hair feel greasy and heavy but this goes on light with noticeable results. Excited to keep using it!
A**A
Non-greasy and my hair already looks fuller and shinier!
Amazing results. 100% worth the price! This hair growth serum for women is lightweight, non-greasy, and easy to apply. After a few weeks, my scalp feels healthier and my hair looks thicker, fuller, and shinier. Love that it’s made in the USA
S**E
Good results, high quality oil
So far I am very impressed. With short term daily use I have noticed my hair feels softer and fuller, looks shinier and healthier. My scalp is less dry and feels less tight. I have also experienced less hair fall. I have used it on damp hair after showering as well as on dry hair. The oil is not greasy and absorbs well. It has a very pleasant light scent that does not interfere with the scent of perfume or lotions I wear. It feels like a luxurious product at a very reasonable price. I’m pleased and look forward to see how it continues to perform with longer use.
V**S
You won’t regret it !!
amazing product and I just recently bought the density builder serum too which I am pretty sure i will love it as much this one … they really work and also they have great quality costumer service , replaying back to your needs ASAP!!
L**R
Nice Scalp Serum
I’ve been really impressed with this Hair Growth Serum. It’s extremely lightweight, which makes it so easy to apply without leaving my hair feeling greasy or heavy. The texture is like a watery gel, so it absorbs quickly into the scalp without any residue. I also love that it has almost no scent, which is perfect for anyone sensitive to fragrances or who doesn’t want their hair products clashing with other scents. Although I do find it odd that is doesn't have a strong scent considering that there is supposed to be rosemary in this formula. It feels refreshing on my scalp and has been very gentle with consistent use. This is a great option if you’re looking for a natural, easy to use serum for healthier hair growth.
L**V
Definitely works-wish they had a bigger bottle
I bought this serum because I have been trying to grow my hair and was pleasantly surprised with this serum. The serum definitely works at growing hair faster and filling in thin spots. I do have to wash my hair more often when I use this serum so my hair doesn’t look greasy from the scalp serum. There is no off-putting scent, I like the packaging. My only problem with this serum is that if you accidentally get it on your face, it will cause acne. I just have to be super careful which can be hard during sleep if I accidentally touch my hair and then face. The other thing to mention is that I went through an entire bottle in 2-3 weeks of applying only at night.
T**Y
Very happy with this serum
I am very happy with this serum. The hair seems shinier, fuller and more alive with each use. I live in Colorado and normally the hair is very dry. This serum seems to help a lot. easy and pleasant to use.
Trustpilot
1 month ago
1 month ago