Description
Boost hair density with the Thorn & Berry scalp serum for thinning hair! Our biotin infused topical caffeine hair serum is designed to support healthy hair growth, thicker, fuller-looking hair, while also helping to reduce the appearance of hair loss. Our non-greasy hair strengthening treatment moisturizes and deeply nourishes the scalp for optimal hair health.
Powered by Peptides (Copper Tripeptide-1 & Acetyl Tetrapeptide-3), our advanced formula strengthens follicles, reduces shedding, and helps promote natural regrowth. Niacinamide and panthenol boost scalp health and hydration, while hydrolyzed keratin and amino acids repair and fortify damaged strands.


















It doesn’t leave your hair oily and matted which I love
I’m 7 months postpartum and I’ve been using it for two months and can definitely see my baby hairs growing back in
This hair oil came in really nice packaging and seems like a quality product overall. The ingredient list has a decent range of oils that are meant to help with hair and scalp health. It’s still pretty early to say if it’s actually making a difference since I haven’t been using it that long but my first impressions are good.
I’m thinking this might end up replacing some of the other products I currently use for basic hair maintenance and scalp care. The texture seems fine and it doesn’t feel overly greasy when I apply it. I’ll need to keep using it consistently for a few more weeks to really know if it lives up to what it’s supposed to do but the quality seems decent enough that I’ll probably stick with it for now.
BEST EVER Hair serum for CURLY HAIR !!!!! I’ve never written a review before, but this product is SO AMAZING that I had to share how good it has been for my Curls !! My curls have NEVER been so soft and yet, so defined !! I have tried LITERALLY EVERY product I can find on the market and this one is a KEEPER !!!! So, Curly folks . . . get this product ASAP!!!! Your ONLY regret is that you didn’t try it out sooner!!!!!
4 people found this helpful
This bottle has rosemary oil, tea tree oil, peppermint, bakuchiol, saw palmetto, blue tansy, pumpkin seed, nettle, horsetail, and green tea extracts, biotin and more to help hair thinning and growth. Love the bottle, easy to use and super cute on the counter. Ingredients seem to be clean, and overall worth trying to see if it is a fit for you. The scent is stronger than expected per the other reviews, I don’t see fragrance listed as an ingredient so assuming its all the other ingredients, it reminds me of Clarins brand skin care, not as strong as their stuff seems to be, but on the stronger side-with noting it does seem to dissipate after application and drying thankfully. Does leave a little but of a film on the hair, a bit like a hair spray would but not oily. I just prefer to use this on my self care days and a braid since I have an oily scalp and all. I also like that it helps with volume in the areas my hair is a bit thinner and might be worth keeping just for that. Hopeful to see the progress after more and continued use.
Again-worth a try, affordable, clean ingredients.
This stuff is great! Its made my hair so soft and it feels amazing! I normally have super oily hair and often can’t wash my hair too much because of how oily it gets. But this stuff, I’m not sure how it’s working, but it’s keeping my hair from getting too oily and it’s also not very oily itself. My hair feels perfect! I can’t recommend it enough!
This scalp serum product comes in a sleek, eco-friendly bottle with a dropper that makes application easy. The formula is lightweight and feels refreshing on the scalp. There is no greasy residue. After using it, I began to notice some areas on my scalp filling a little bit. This serum has a spa-like feel due to the botanical ingredients, plus the formula contains natural ingredients such as biotin and caffeine. This scalp serum is worth a shot!
I just started using this hair serum and I’m already impressed. It has a fresh, clean scent and feels really lightweight, so my hair doesn’t end up oily or heavy. It even helped with my frizz, which I wasn’t expecting! I love that it includes rosemary, caffeine and biotin since they’re great for strengthening and thickening hair. Excited to keep using it and see how my hair does over time!
I’m using this product in combination with oral minoxidil, so I can’t 100% say that it enhances hair growth on its own. However, it smells fantastic and does not leave my roots looking greasy, even after application to dry hair. I think it gives my roots a little bit of a lift, which helps give the appearance of added volume. I use it daily, even on days that I do not shampoo. I would say this product is worth it just for the smell alone.
This hair serum is pretty amazing and promotes healthy, glossy hair. It has a viscous clear gel texture and lightly scented with a pleasant grapefruit scent. It’s work friendly; does not make your hair look oily so you can just apply it at the start of the day (and I also like how applying it during daytime protects your hair from the cold elements throughout) I find it very easy in terms of application because it dries without a tacky residue on my hands.
I love this scalp serum. The first thing that stuck out is that it smells amazing. I’m not sure if it’s the rosemary or the peppermint but the smell is bomb. I used it daily to help with thinning hair and hair growth. One thing I love about Thorn & Berry is that it doesn’t make my hair feel greasy like some other hair products do. It makes my hair feel light and nourished which is exactly what I was looking for.
2 people found this helpful
I’ve been using the Thorn & Berry Advanced Scalp and Hair Serum for a few weeks now. The serum is lightweight, non-greasy, and absorbs almost instantly, leaving my scalp feeling refreshed without any oily residue. The scent is pleasantly herbal, with subtle notes of rosemary and peppermint, which makes daily application enjoyable.
This serum is packed with active ingredients that make it stand out. Biotin (Vitamin B7) supports keratin production, helping strengthen strands and reduce breakage. Copper Tripeptide-1 and Acetyl Tetrapeptide-3 work to reinforce follicles and promote the appearance of fuller, denser hair. Caffeine and niacinamide boost scalp circulation while balancing oil and soothing irritation. Botanical extracts, including tea tree, rosemary, peppermint, green tea, saw palmetto, pumpkin seed, and horsetail, provide antioxidant protection and help maintain a healthy scalp environment.
After consistent use, my hair feels stronger, more resilient, and the thinning areas near my crown seem fuller. Even if it’s too early to judge long-term growth, the scalp feels nourished, hydrated, and healthier. The serum layers well under styling products and can be applied on both damp and dry hair without weighing it down.
This is an effective scalp treatment. It’s ideal for anyone dealing with thinning hair, fine strands, or scalp sensitivity, and it delivers noticeable improvements in hair texture, volume, and scalp health. For a serum that is affordable yet packed with professional-grade ingredients, this is a solid choice.
One person found this helpful
Package arrived crushed and box was damaged. Thankfully bottle survived but unboxing experience was disappointing.
This Thorn & Berry is not the first hair serum I’ve tried, but it is my favorite. The reason why it works so well for me is that I can apply as much as I want all throughout clean hair, massage it, and my hair will still feel clean and not greasy (which for my fine, long hair is basically a miracle.) Added to that, the formula still feels like a potent, thick hair serum as opposed to a lighter more liquid formula. So it’s nourishing my scalp while not weighing down my roots. I’ve been using it regularly but not for long, and I’m still noticing more volume and less shedding.
This scalp serum is a nice and inexpensive way to treat yourself and pamper your hair. You’re supposed to use the scalp after a shower, but I kind of feel like it weighs my hair down so I like to use it before. If you use it after your hair is way down easily, maybe just use a few tiny drops and dilute it with some water. I haven’t noticed too much of a difference, but it does feel nice to be paying attention to your scalp health.
Thorn & Berry Scalp Serum For Thinning Hair & Density Booster smells and feels amazing. I expected it to smell like the ingredients (especially rosemary and peppermint) but instead, it has a light, pleasant, almost floral scent.
I’m in perimenopause and do have thinning hair issues. I’ve tried a few scalp serums, but this is the first one I actually enjoyed. The others were oily, messy, and needed to be washed out. Thorn & Berry serum is not oily at all, and can be applied to damp hair. I also tried on dry hair; although it is not greasy, it did make the surrounding hair look shiny or wet, so I prefer applying it right after my shower.
The value for the price is fantastic; at under ten dollars, it is worth picking up a few bottles and use it consistently for several months to determine if I notice an improvement in my hair thinning over time.
Love it, love it, love it. I can’t say that I’ve seen a huge improvement in my thinning hair but if you struggle with scalp dryness and irritation holy buckets, this stuff is the holy grail. Winter weather destroys my scalp and a lot of the serums leave my hair looking oily or will cause the dryness to get worse. I put this stuff on once my hair is dry and work it into my scalp problem areas and then brush it out and you can’t even tell where I’ve applied it. It doesn’t make my hair look greasy, it adds so much moisture to my scalp and it takes care of the flakes. It is a bit spendy but you really only need a teeny bit on your fingertips to spread around. I haven’t noticed much as far as re-growth, I wish it would help fill in some of the thinness but I’m so happy about how well it hydrates that regrowth would just be an added bonus.
I’ve been using this hair serum for about a week, and I’m really impressed with the results. I’m big on copper peptides, and they seem to be making a real difference. It might be too soon to tell, but my hair already feels thicker and healthier, and I’ve noticed less shedding. I leave it in, and it absorbs quickly without leaving any greasy residue. The scent is light and not overpowering. I’ll definitely grab another bottle.
3 people found this helpful
It’s hard to review these because hair growth can take a long time. But overall, I am enjoying this product and I am hopeful it will help with growth and fullness!
But the product itself. The texture is great, not too heavy but emollient and feels great on my scalp, especially as the weather is drier. The scent is great, nice and fresh so I enjoy putting this on and doing my evening ritual. And the scent lingers a little so I enjoy it when I’m in bed.
I have used almost the entire bottle thus far and my hair does feel nice, soft, more hydrated than when I didn’t use it. So that is a plus. I will probably get one more bottle and see if any growth happens, but even if not, this has helped leave my hair better than before.
I’ve been using the Thorn & Berry Scalp Serum for a few weeks, and I’m already noticing a difference in the overall health of my hair and scalp. The serum feels cooling and refreshing thanks to the peppermint and rosemary, and it absorbs quickly without leaving my roots greasy. My hair feels stronger and fuller, especially near the crown where I had some thinning. The biotin and caffeine blend seems to give my scalp a real boost! The bottle design makes it easy to apply just where I need it. For the price, this serum delivers great results and feels like a salon-quality product.
This Thorn & Berry scalp is definitely a must buy! It smells amazing when you first open the bottle, and the results with application are great! I feel like my hair is thicker and healthier than ever! It feels nice when it’s in your hair, without leaving a super oily residue, and seems to work as advertised.
Overall: Smells Great, Feels Great, Works Great!