AMZ Serum Smooth & Silky 18ml
Been dealing with thinning spots or a receding hairline? This AMZ hair serum gets right to the root of the problem — literally.
Comes in a 18ml size, which should last you a good while depending on how often you use it.
What Makes This One Different
- AMZ — a brand that’s been in the hair care space for a while
- 18ml — decent size for the price
- All hair types — works on straight, wavy, curly, coily, color-treated, you name it
How to Use It
Here’s how to use it: put a few drops on your fingertips, massage into the scalp where you need it most, and let it absorb. No rinsing needed. Do this consistently — once or twice a day — and give it at least 4-6 weeks before judging results.
The Honest Truth
Don’t expect overnight results — hair grows slow. But if you give this a fair shot over 4-8 weeks, most people see something positive happening.
Looking for a reliable hair serum? The AMZ hair serum (18ml) is a popular pick for good reason. Browse our full selection of hair growth serums oils to compare options and find the right fit for your hair.















Luna Lewis (verified owner) –
The product itself is decent but I expected more given the claims and the price point. A little goes a long way – I use 3-4 drops along my hairline and crown area. My hairline looks about the same as when I started. Maybe with more time I’d see better results, but I’m not impressed so far.
Nathan Williams (verified owner) –
Wish I had found this years ago. My hair feels completely different now. I massage it into my scalp with my fingertips for about 2 minutes each application. I don’t get that tight, itchy feeling anymore, even between washes. This is the real deal – not another overhyped product.
Nathan White (verified owner) –
My partner noticed the difference before I even said anything about using a new product. I section my hair and apply drop by drop directly to the scalp, then massage gently. My ends feel strong and healthy instead of frayed and split. Five stars without hesitation.
Sofia Clark (verified owner) –
Good results with biotin. Need consistent use to see the difference.
Abigail Walker (verified owner) –
I’ve seen enough improvement to keep using it, though it’s not a miracle product. A little goes a long way – I use 3-4 drops along my hairline and crown area. The biotin gives this product an edge over basic drugstore options. There are baby hairs coming in along my temples – progress is real but gradual. My hair is definitely more hydrated, though I need to reapply every couple of days. The key with any hair care product is consistency – I made it part of my daily routine and stuck with it for 6 weeks before judging the results. Solid choice, just manage your expectations on speed of results.
John Jones –
I noticed changes faster than I expected – within two weeks my hair felt different. I put it on at night and wash it out the next morning – that overnight soak really helps. I’m losing way fewer hairs when I style – the tensile strength has definitely improved. Definitely worth the investment for anyone dealing with similar hair concerns.
Mila Martin –
I was skeptical at first because I’ve been burned by so many products before, but this one really delivers. I section my hair and apply drop by drop directly to the scalp, then massage gently. My ends feel strong and healthy instead of frayed and split. This product restored my confidence in my hair.
Grace Wright –
I’ve been using it consistently for a month and the results are underwhelming so far. I massage it into my scalp with my fingertips for about 2 minutes each application. Didn’t see much improvement in split ends after a month of use. Maybe with more time I’d see better results, but I’m not impressed so far.
Samuel Allen (verified owner) –
I bought this on a recommendation from a friend and I’m so glad I did. A little goes a long way – I use 3-4 drops along my hairline and crown area. The biotin is what sets this apart from other products I’ve used – you can feel the quality. I can see new baby hairs sprouting along my hairline where it had been thinning. I’m losing way fewer hairs when I style – the tensile strength has definitely improved. It took about 4 weeks of consistent use to really see the difference, so don’t give up if you don’t notice changes in the first few days. Do yourself a favor and get this.
Emma Thomas –
I’d give this 4.5 stars if I could. It’s very good but not quite perfect. A little goes a long way – I use 3-4 drops along my hairline and crown area. I’m seeing some new growth, though it’s been slower than I hoped. Solid choice, just manage your expectations on speed of results.
Natalie Flores (verified owner) –
I’ve spent so much money on treatments that didn’t work – this one is worth every penny. I put it on at night and wash it out the next morning – that overnight soak really helps. The shedding in the shower has reduced dramatically – maybe 80% less hair in the drain. This is the real deal – not another overhyped product.
Madison Nguyen (verified owner) –
I was skeptical at first because I’ve been burned by so many products before, but this one really delivers. I put it on at night and wash it out the next morning – that overnight soak really helps. Even in dry weather, my hair stays hydrated and doesn’t get that crackly texture. Definitely worth the investment for anyone dealing with similar hair concerns.
Aaron Garcia (verified owner) –
The difference in my hair texture and growth is something I can actually see and feel. I use this after washing my hair while it’s still damp, focusing on the roots. My hair doesn’t feel like straw anymore – it’s genuinely moisturized from root to tip. Can’t recommend this enough for anyone struggling with their hair.
Emily Wright (verified owner) –
Solid product. Does what it says. Just wish it worked a little faster. I section my hair and apply drop by drop directly to the scalp, then massage gently. The shedding has decreased noticeably but hasn’t stopped entirely. Good product overall – I’ll keep using it and see if results improve over time.
Owen Anderson (verified owner) –
I was skeptical at first because I’ve been burned by so many products before, but this one really delivers. I use it twice a day, morning and night, on clean dry scalp areas. The biotin in this formula really seems to make a difference – my hair responds to it better than anything else I’ve tried. I’m seeing real density improvement at my crown where my scalp used to show through. The redness on my scalp cleared up within a week of using this. For anyone just starting, give it at least 6 weeks before deciding if it works for you. Hair growth cycles are slow. Do yourself a favor and get this.
Zoe Jackson –
The difference in my hair texture and growth is something I can actually see and feel. I use it twice a day, morning and night, on clean dry scalp areas. The biotin is what sets this apart from other products I’ve used – you can feel the quality. The redness on my scalp cleared up within a week of using this. The hydration lasts for days between washes instead of evaporating by day two. The key with any hair care product is consistency – I made it part of my daily routine and stuck with it for 9 weeks before judging the results. This product restored my confidence in my hair.
Elijah Clark (verified owner) –
Wish I had found this years ago. My hair feels completely different now. I use this after washing my hair while it’s still damp, focusing on the roots. I’m losing way fewer hairs when I style – the tensile strength has definitely improved. This is the real deal – not another overhyped product.
James Robinson (verified owner) –
This product is okay – not terrible but not the game-changer I was expecting. I use this after washing my hair while it’s still damp, focusing on the roots. The biotin content was why I bought this, but it doesn’t seem concentrated enough to make a real difference. Didn’t see much improvement in split ends after a month of use. The shedding didn’t decrease much – maybe slightly less but nothing dramatic. I’ve been using it for 10 weeks now and while the results aren’t dramatic, there is some progress. Three stars because it technically does something, just not enough.
Sophia King (verified owner) –
After postpartum hair loss wrecked my confidence, this product helped me feel like myself again. I use this after washing my hair while it’s still damp, focusing on the roots. My scalp itch is completely gone and the flaking has stopped entirely. I’ve already repurchased and will keep this in my routine indefinitely.
Christian Sanchez (verified owner) –
I bought this on a recommendation from a friend and I’m so glad I did. I put it on at night and wash it out the next morning – that overnight soak really helps. The moisture balance is perfect – not greasy at the roots, not dry at the ends. This is the real deal – not another overhyped product.
Jonathan Hill (verified owner) –
I noticed changes faster than I expected – within two weeks my hair felt different. I use it twice a day, morning and night, on clean dry scalp areas. I can run a comb through my hair without hearing that horrible snapping sound. If you’re on the fence, just try it. You won’t regret it.
Caleb Robinson (verified owner) –
I’m on my second bottle and I’m seeing the results I was hoping for, slowly but surely. I use this after washing my hair while it’s still damp, focusing on the roots. The moisture is good but it’s a bit heavy for my fine hair – better for thicker hair types. I’d recommend it with the caveat that you need to be patient and consistent.
Jonathan Hernandez –
This works. biotin + consistent use = visible results in 3 weeks.
Victoria Young (verified owner) –
I’ve recommended this to three people already because the results speak for themselves. I section my hair and apply drop by drop directly to the scalp, then massage gently. I don’t get that tight, itchy feeling anymore, even between washes. Definitely worth the investment for anyone dealing with similar hair concerns.
Avery Wright (verified owner) –
This product is okay – not terrible but not the game-changer I was expecting. I massage it into my scalp with my fingertips for about 2 minutes each application. The moisture lasts about a day then my hair is back to being dry. Not terrible, just not worth the price for the results I got.
Harper Ramirez (verified owner) –
After postpartum hair loss wrecked my confidence, this product helped me feel like myself again. I use it twice a day, morning and night, on clean dry scalp areas. I don’t get that tight, itchy feeling anymore, even between washes. This product restored my confidence in my hair.
Benjamin Perez (verified owner) –
This is the one. Tried everything for moisture and finally found something that works.
Hannah Brown –
After trying what feels like a hundred different products, I finally found something that works for my hair. I use it twice a day, morning and night, on clean dry scalp areas. The biotin is what sets this apart from other products I’ve used – you can feel the quality. My scalp feels balanced – not oily, not dry, just healthy. I’m losing way fewer hairs when I style – the tensile strength has definitely improved. For anyone just starting, give it at least 6 weeks before deciding if it works for you. Hair growth cycles are slow. I’ve already repurchased and will keep this in my routine indefinitely.
Madison Nguyen (verified owner) –
I’d give this 4.5 stars if I could. It’s very good but not quite perfect. I section my hair and apply drop by drop directly to the scalp, then massage gently. My scalp feels healthier overall, though I need to use it consistently for it to work. I’d buy it again, though I’d love to see them improve a few things.
Natalie Taylor (verified owner) –
I’ve been using this for about six weeks and I’m seeing real progress, though it’s not perfect. A little goes a long way – I use 3-4 drops along my hairline and crown area. The biotin is a nice touch – I think it contributes to the results I’m seeing. My scalp feels healthier overall, though I need to use it consistently for it to work. I’m seeing some new growth, though it’s been slower than I hoped. For anyone just starting, give it at least 7 weeks before deciding if it works for you. Hair growth cycles are slow. Good product overall – I’ll keep using it and see if results improve over time.
Liam Wilson (verified owner) –
Solid product. Does what it says. Just wish it worked a little faster. I use this after washing my hair while it’s still damp, focusing on the roots. There are baby hairs coming in along my temples – progress is real but gradual. Not perfect but definitely above average.
Layla Ramirez (verified owner) –
Wish I had found this years ago. My hair feels completely different now. I section my hair and apply drop by drop directly to the scalp, then massage gently. My hair doesn’t snap off when I brush it anymore – the breakage is practically gone. If you’re on the fence, just try it. You won’t regret it.
Eleanor Gonzalez (verified owner) –
My hairdresser actually commented on how much healthier my hair looks since I started using this. A little goes a long way – I use 3-4 drops along my hairline and crown area. I’m seeing real density improvement at my crown where my scalp used to show through. If you’re on the fence, just try it. You won’t regret it.
Aria Johnson (verified owner) –
Visible strength after 4 weeks. The biotin formula is excellent.
Ella Scott (verified owner) –
Wish I had found this years ago. My hair feels completely different now. I use this after washing my hair while it’s still damp, focusing on the roots. I don’t get that tight, itchy feeling anymore, even between washes. Five stars without hesitation.
Adam Moore (verified owner) –
My partner noticed the difference before I even said anything about using a new product. I massage it into my scalp with my fingertips for about 2 minutes each application. Since biotin is a key ingredient, I feel confident this is doing something real, not just coating my hair. The moisture balance is perfect – not greasy at the roots, not dry at the ends. The elasticity is back – my hair bends without breaking. The key with any hair care product is consistency – I made it part of my daily routine and stuck with it for 7 weeks before judging the results. Do yourself a favor and get this.
Olivia Gonzalez (verified owner) –
I’m in my 40s and my hair has been thinning steadily – this gave me hope again. I apply a few drops to my scalp every night before bed and massage it in. The shedding in the shower has reduced dramatically – maybe 80% less hair in the drain. This is the real deal – not another overhyped product.
Daniel White (verified owner) –
After trying what feels like a hundred different products, I finally found something that works for my hair. A little goes a long way – I use 3-4 drops along my hairline and crown area. My scalp feels balanced – not oily, not dry, just healthy. Can’t recommend this enough for anyone struggling with their hair.
Leah Allen (verified owner) –
I bought this on a recommendation from a friend and I’m so glad I did. I section my hair and apply drop by drop directly to the scalp, then massage gently. My dry, brittle ends have transformed into something that actually feels soft and hydrated. I’ve already repurchased and will keep this in my routine indefinitely.
Elijah Hernandez (verified owner) –
I’d give this 4.5 stars if I could. It’s very good but not quite perfect. I section my hair and apply drop by drop directly to the scalp, then massage gently. Breakage has reduced significantly but I still see some snapping when I use high heat. Worth trying if you’re looking for something in this category.
Amelia Moore (verified owner) –
It’s not bad, it’s just not particularly impressive either. Middle of the road for me. A little goes a long way – I use 3-4 drops along my hairline and crown area. It has biotin which is supposed to help, but I’m not seeing the results I expected from it. It works for a few days then seems to stop being effective. My hair might be slightly less brittle but I still have noticeable breakage. I’ve been using it for 6 weeks now and while the results aren’t dramatic, there is some progress. Maybe with more time I’d see better results, but I’m not impressed so far.
Matthew Hernandez (verified owner) –
Love this. moisture is real and my hairdresser noticed too.
Mason Jackson (verified owner) –
Solid product. Does what it says. Just wish it worked a little faster. I use it twice a day, morning and night, on clean dry scalp areas. My hair is definitely more hydrated, though I need to reapply every couple of days. I’d buy it again, though I’d love to see them improve a few things.
Grace Flores (verified owner) –
I was ready to see a dermatologist about my hair loss but this has been working so well I haven’t needed to. I massage it into my scalp with my fingertips for about 2 minutes each application. The irritation from other products disappeared once I switched to this. Can’t recommend this enough for anyone struggling with their hair.
Mia Harris –
The difference in my hair texture and growth is something I can actually see and feel. I use it twice a day, morning and night, on clean dry scalp areas. The biotin in this formula really seems to make a difference – my hair responds to it better than anything else I’ve tried. I can run a comb through my hair without hearing that horrible snapping sound. The redness on my scalp cleared up within a week of using this. For anyone just starting, give it at least 5 weeks before deciding if it works for you. Hair growth cycles are slow. Honestly the best hair product purchase I’ve made this year.
Noah Torres (verified owner) –
I was ready to see a dermatologist about my hair loss but this has been working so well I haven’t needed to. I apply a few drops to my scalp every night before bed and massage it in. I can see new baby hairs sprouting along my hairline where it had been thinning. This is the real deal – not another overhyped product.
Adrian Jones (verified owner) –
I’ve been struggling with thinning hair for years and this is the first thing that actually made a visible difference. I section my hair and apply drop by drop directly to the scalp, then massage gently. My hair doesn’t feel like straw anymore – it’s genuinely moisturized from root to tip. Can’t recommend this enough for anyone struggling with their hair.
Aubrey Thompson (verified owner) –
I was skeptical at first because I’ve been burned by so many products before, but this one really delivers. I section my hair and apply drop by drop directly to the scalp, then massage gently. My ends feel strong and healthy instead of frayed and split. Definitely worth the investment for anyone dealing with similar hair concerns.
Sarah Davis (verified owner) –
Actually works. My scalp feels healthier and I see new growth. The biotin makes a difference.
Zoe Wilson (verified owner) –
I’ve been struggling with thinning hair for years and this is the first thing that actually made a visible difference. I section my hair and apply drop by drop directly to the scalp, then massage gently. The elasticity is back – my hair bends without breaking. Can’t recommend this enough for anyone struggling with their hair.
Emily Nguyen (verified owner) –
I noticed improvement after about three weeks of consistent use – not dramatic but real. I massage it into my scalp with my fingertips for about 2 minutes each application. My hair is definitely more hydrated, though I need to reapply every couple of days. Worth trying if you’re looking for something in this category.
Olivia Lopez (verified owner) –
I’m in my 40s and my hair has been thinning steadily – this gave me hope again. I use this after washing my hair while it’s still damp, focusing on the roots. The elasticity is back – my hair bends without breaking. This product restored my confidence in my hair.