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🌱 Unlock your hair’s full potential—because your roots deserve the best!
Tatiana Irizar’s Caffeine Hair Growth Serum is a USA-made, lab-tested scalp treatment combining six natural botanicals including caffeine and biotin. This lightweight, non-greasy formula promotes thicker, healthier hair with visible results in 90 days. Paraben and sulfate-free, cruelty-free, and suitable for all hair types, it supports scalp health while reducing shedding and frizz. Automatic delivery options ensure consistent use for maximum hair density and vitality.


















| ASIN | B0D352FKFB |
| ASIN | B0D352FKFB |
| Active Ingredients | Rosemary, Amla, Nettle, Caffeine, Panthenol & Biotin |
| Age Range Description | Adult |
| Best Sellers Rank | #38,192 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #340 in Hair Regrowth Treatments |
| Brand Name | Tatiana Irizar |
| Customer Reviews | 4.5 4.5 out of 5 stars (314) |
| 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 | Tatiana Irizar |
| Material Type Free | Cruelty Free, Paraben Free, Sulfate Free |
| Number of Items | 1 |
| Package Dimensions | 4.69 x 4.13 x 2.72 inches; 1 ounces |
| Recommended Uses For Product | Hair Care, Hair Growth, Hair Loss Treatments, Hair Regrowth, Scalp Serum |
| Scent Name | Growth Booster |
| UPC | 197644040209 |
| 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!
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.
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.
L**I
Decent Results but Pricey!
This hair growth serum smells great (I don't know how to explain it other than "clean") and goes on super light, so you never end up with that greasy feeling. I still haven’t seen much change, though, and for the price, it just didn’t feel worth it. I feel like the results are similar to using a more inexpensive hair oil and massaging it in. I've been using it every day for around three weeks. I do like the clean ingredients used and that it is made in the US.
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.
A**R
⭐️⭐️⭐️⭐️⭐️ Already seeing signs of healthier, stronger hair!
I got this serum for my wife about a week ago, and she’s already loving it. Her hair feels softer, looks shinier, and her scalp feels healthier. It’s lightweight, non-greasy, and smells great — she actually looks forward to using it every day. It’s still early, but if the first week is any indication, this serum is definitely helping set the stage for stronger, fuller hair!
G**Z
Great Product, don't pass on it
🌟🌟🌟🌟🌟 Absolutely Life-Changing – My Hair is Back! I don’t usually leave reviews, but this hair growth product truly deserves it. After struggling with thinning hair and a receding hairline for years, I was skeptical about trying Tatiana Irizar Growth Booster— but I’m SO glad I gave it a shot. Within the first month, I noticed less hair falling out in the shower. By the third month, baby hairs started sprouting along my hairline and crown. Now, six months in, the transformation is unbelievable — my hair looks fuller, thicker, and healthier than it has in a decade! It’s lightweight, non-greasy, and doesn’t irritate my scalp (a big plus for someone with sensitive skin). I’ve even received compliments from friends and family asking what I’ve done differently. Tatiana Irizar Growth Booster gave me more than just hair — it gave me back my confidence. If you’re hesitant, don’t be. Consistency is key, but the results are real. Highly recommend!
Trustpilot
2 days ago
2 weeks ago