Biotin Hair Growth Serum | GleamXi 15ml

(70 customer reviews)

$35.40

In Stock

Biotin Hair Growth Product by GleamXi (15ml). Nourishes scalp, strengthens follicles, and promotes healthier hair growth.

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GleamXi Serum Moisturizing 15ml

Been dealing with thinning spots or a receding hairline? This GleamXi hair serum gets right to the root of the problem — literally.

What it does: moisturizing. That’s the main thing, and it does it well.

Comes in a 15ml size, which should last you a good while depending on how often you use it.

What Makes This One Different

  • Moisturizing — the specific concerns this targets
  • GleamXi — a brand that’s been in the hair care space for a while
  • 15ml — 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

A quick heads-up: results vary from person to person. What works great for one head of hair might take longer on another. The key is sticking with it.

Looking for a reliable hair serum? The GleamXi hair serum (15ml) is a popular pick for good reason. It’s formulated for moisturizing, making it a practical choice for everyday hair care. Browse our full selection of hair growth serums oils to compare options and find the right fit for your hair.

70 reviews for Biotin Hair Growth Serum | GleamXi 15ml

  1. Owen Martinez (verified owner)

    I’d give this 4.5 stars if I could. It’s very good but not quite perfect. I massage it into my scalp with my fingertips for about 2 minutes each application. The itching has mostly stopped but I still get occasional dry patches. I’m satisfied enough to repurchase, which says something.

  2. Jackson Young (verified owner)

    Good results with biotin. Need consistent use to see the difference.

  3. Abigail Perez (verified owner)

    I’ve recommended this to three people already because the results speak for themselves. I use this after washing my hair while it’s still damp, focusing on the roots. Even in dry weather, my hair stays hydrated and doesn’t get that crackly texture. I’ve already repurchased and will keep this in my routine indefinitely.

  4. Owen Robinson (verified owner)

    After trying what feels like a hundred different products, I finally found something that works for my hair. I apply a few drops to my scalp every night before bed and massage it in. My hair doesn’t feel like straw anymore – it’s genuinely moisturized from root to tip. Definitely worth the investment for anyone dealing with similar hair concerns.

  5. Elijah Jones (verified owner)

    I’ve seen enough improvement to keep using it, though it’s not a miracle product. I use it twice a day, morning and night, on clean dry scalp areas. My dry ends have improved, though the effect doesn’t last as long as I’d like. Good product overall – I’ll keep using it and see if results improve over time.

  6. Scarlett Thompson (verified owner)

    I’m on my second bottle and I’m seeing the results I was hoping for, slowly but surely. A little goes a long way – I use 3-4 drops along my hairline and crown area. My scalp feels healthier overall, though I need to use it consistently for it to work. Good product overall – I’ll keep using it and see if results improve over time.

  7. Adam Martinez (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. I love that this contains biotin – it’s one of the few ingredients that’s actually been studied for hair growth. My scalp itch is completely gone and the flaking has stopped entirely. The moisture balance is perfect – not greasy at the roots, not dry at the ends. It took about 8 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. I’ve already repurchased and will keep this in my routine indefinitely.

  8. Ryan Taylor (verified owner)

    Actually works. My scalp feels healthier and I see new growth. The biotin makes a difference.

  9. Noah Taylor

    My hair feels thicker and the shedding stopped. The biotin is the real deal.

  10. Aria White (verified owner)

    I’d give this 4.5 stars if I could. It’s very good but not quite perfect. I massage it into my scalp with my fingertips for about 2 minutes each application. I can tell the biotin is doing something, I just wish the overall formula was a bit more potent. The shedding has decreased noticeably but hasn’t stopped entirely. Reduced my flaking by about 70% – not completely gone but much better. The key with any hair care product is consistency – I made it part of my daily routine and stuck with it for 8 weeks before judging the results. Four stars because it works, just not as fast as I’d hoped.

  11. Noah Rodriguez

    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 shedding in the shower has reduced dramatically – maybe 80% less hair in the drain. I’ve already repurchased and will keep this in my routine indefinitely.

  12. Hannah Johnson (verified owner)

    I had high hopes for this based on the reviews but my experience has been mixed. I use this after washing my hair while it’s still damp, focusing on the roots. Helped slightly with itching but the flaking is still there. I’ll finish the bottle but probably won’t repurchase.

  13. Stella Torres (verified owner)

    I bought this on a recommendation from a friend and I’m so glad I did. I use it twice a day, morning and night, on clean dry scalp areas. The irritation from other products disappeared once I switched to this. Honestly the best hair product purchase I’ve made this year.

  14. Hannah Hill (verified owner)

    I’m in my 40s and my hair has been thinning steadily – this gave me hope again. 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. Five stars without hesitation.

  15. Adrian Rodriguez

    Wish I had found this years ago. My hair feels completely different now. A little goes a long way – I use 3-4 drops along my hairline and crown area. The redness on my scalp cleared up within a week of using this. I only wish I’d started using it sooner.

  16. Jayden Walker (verified owner)

    I’ve spent so much money on treatments that didn’t work – this one is worth every penny. I use this after washing my hair while it’s still damp, focusing on the roots. The regrowth along my temples is visible enough that friends have asked what I’m using. I only wish I’d started using it sooner.

  17. John Moore

    I’ve spent so much money on treatments that didn’t work – this one is worth every penny. I use this after washing my hair while it’s still damp, focusing on the roots. The hydration lasts for days between washes instead of evaporating by day two. This product restored my confidence in my hair.

  18. Adrian White (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 shedding in the shower has reduced dramatically – maybe 80% less hair in the drain. Definitely worth the investment for anyone dealing with similar hair concerns.

  19. Wyatt Anderson (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’m seeing real density improvement at my crown where my scalp used to show through. I only wish I’d started using it sooner.

  20. Aiden Ramirez (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 use this after washing my hair while it’s still damp, focusing on the roots. My scalp feels balanced – not oily, not dry, just healthy. Honestly the best hair product purchase I’ve made this year.

  21. Adam Williams (verified owner)

    This works. biotin + consistent use = visible results in 3 weeks.

  22. Mila Taylor (verified owner)

    Five stars. biotin is key – my hair has never looked better.

  23. Chloe Nguyen (verified owner)

    Worth every penny. growth within a month of daily use.

  24. Jackson Wright (verified owner)

    I was skeptical at first because I’ve been burned by so many products before, but this one really delivers. 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. Definitely worth the investment for anyone dealing with similar hair concerns.

  25. Ava Wright (verified owner)

    This works well overall but there are a couple of things I’d change about it. 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. Solid choice, just manage your expectations on speed of results.

  26. Olivia Robinson (verified owner)

    I’ve seen enough improvement to keep using it, though it’s not a miracle product. I apply a few drops to my scalp every night before bed and massage it in. I’m seeing some new growth, though it’s been slower than I hoped. Four stars because it works, just not as fast as I’d hoped.

  27. William Ramirez (verified owner)

    I’m on my second bottle and I’m seeing the results I was hoping for, slowly but surely. I massage it into my scalp with my fingertips for about 2 minutes each application. The biotin gives this product an edge over basic drugstore options. I’d estimate about 60-70% less breakage since I started using this. Solid hydration but I experience some buildup after about a week of use. 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. Good product overall – I’ll keep using it and see if results improve over time.

  28. Natalie Moore

    My hair feels thicker and the shedding stopped. The biotin is the real deal.

  29. Eleanor Perez

    I’ve seen enough improvement to keep using it, though it’s not a miracle product. I section my hair and apply drop by drop directly to the scalp, then massage gently. I’m seeing some new growth, though it’s been slower than I hoped. Not perfect but definitely above average.

  30. Elizabeth Sanchez

    My hairdresser actually commented on how much healthier my hair looks since I started using this. I use this after washing my hair while it’s still damp, focusing on the roots. The biotin is what sets this apart from other products I’ve used – you can feel the quality. Even in dry weather, my hair stays hydrated and doesn’t get that crackly texture. The redness on my scalp cleared up within a week of using this. 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. Can’t recommend this enough for anyone struggling with their hair.

  31. Avery Miller (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 cooling sensation is nice but the relief is temporary – I need to reapply. Good product overall – I’ll keep using it and see if results improve over time.

  32. Penelope Lewis

    This works well overall but there are a couple of things I’d change about it. I put it on at night and wash it out the next morning – that overnight soak really helps. Solid hydration but I experience some buildup after about a week of use. I’m satisfied enough to repurchase, which says something.

  33. Zoe Wright (verified owner)

    I’ve been using this for about six weeks and I’m seeing real progress, though it’s not perfect. I apply a few drops to my scalp every night before bed and massage it in. I chose this partly because of the biotin content, and I think it’s helping, just slowly. Reduced my flaking by about 70% – not completely gone but much better. Solid hydration but I experience some buildup after about a week of use. For anyone just starting, give it at least 4 weeks before deciding if it works for you. Hair growth cycles are slow. Worth trying if you’re looking for something in this category.

  34. Sofia Rodriguez

    Love this. growth is real and my hairdresser noticed too.

  35. Sebastian Gonzalez (verified owner)

    I’ve been using it consistently for a month and the results are underwhelming so far. A little goes a long way – I use 3-4 drops along my hairline and crown area. It works for a few days then seems to stop being effective. I wanted to love it but it’s just okay.

  36. Hannah Allen (verified owner)

    It works a little. strength is there but minimal for the cost.

  37. Luke Hill

    I bought this on a recommendation from a friend and I’m so glad I did. 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 is the real deal – not another overhyped product.

  38. Sofia Ramirez (verified owner)

    I’m on my second bottle and I’m seeing the results I was hoping for, slowly but surely. 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. Four stars because it works, just not as fast as I’d hoped.

  39. Elijah Johnson (verified owner)

    I’m happy with the results so far, though I had to be patient to see them. I use this after washing my hair while it’s still damp, focusing on the roots. My hair is definitely more hydrated, though I need to reapply every couple of days. I’d recommend it with the caveat that you need to be patient and consistent.

  40. Elijah Johnson (verified owner)

    I’m in my 40s and my hair has been thinning steadily – this gave me hope again. I massage it into my scalp with my fingertips for about 2 minutes each application. The shedding in the shower has reduced dramatically – maybe 80% less hair in the drain. Do yourself a favor and get this.

  41. John Hill (verified owner)

    I’m on my second bottle and I’m seeing the results I was hoping for, slowly but surely. 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.

  42. Jacob Jones (verified owner)

    Actually works. My scalp feels healthier and I see new growth. The biotin makes a difference.

  43. Madison Lewis (verified owner)

    Wish I had found this years ago. My hair feels completely different now. I apply a few drops to my scalp every night before bed and massage it in. My scalp itch is completely gone and the flaking has stopped entirely. I only wish I’d started using it sooner.

  44. Victoria Lee (verified owner)

    This has been working for me but I had to figure out the right way to use it. I massage it into my scalp with my fingertips for about 2 minutes each application. 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.

  45. Camila Walker (verified owner)

    My hairdresser actually commented on how much healthier my hair looks since I started using this. I apply a few drops to my scalp every night before bed and massage it in. The elasticity is back – my hair bends without breaking. Do yourself a favor and get this.

  46. Adrian Hill (verified owner)

    Wish I had found this years ago. My hair feels completely different now. I use it twice a day, morning and night, on clean dry scalp areas. I specifically wanted something with biotin because I’d read about its benefits for hair health, and this delivers. My hair doesn’t feel like straw anymore – it’s genuinely moisturized from root to tip. My part looks noticeably narrower than it did two months ago. The key with any hair care product is consistency – I made it part of my daily routine and stuck with it for 8 weeks before judging the results. Can’t recommend this enough for anyone struggling with their hair.

  47. Elizabeth King (verified owner)

    This product is okay – not terrible but not the game-changer I was expecting. I put it on at night and wash it out the next morning – that overnight soak really helps. The shedding didn’t decrease much – maybe slightly less but nothing dramatic. I’ll finish the bottle but probably won’t repurchase.

  48. William Miller (verified owner)

    The difference in my hair texture and growth is something I can actually see and feel. A little goes a long way – I use 3-4 drops along my hairline and crown area. My hair doesn’t feel like straw anymore – it’s genuinely moisturized from root to tip. Honestly the best hair product purchase I’ve made this year.

  49. Evelyn King (verified owner)

    I think this might work for some people but it hasn’t been great for my specific hair type. I use it twice a day, morning and night, on clean dry scalp areas. Maybe the biotin works for others but my hair isn’t responding to it. Reduced some symptoms but didn’t address the underlying problem. My hair feels coated rather than genuinely stronger. I’ve been using it for 8 weeks now and while the results aren’t dramatic, there is some progress. It might work better for someone with different hair concerns.

  50. Joseph Walker (verified owner)

    I’d give this 4.5 stars if I could. It’s very good but not quite perfect. I use it twice a day, morning and night, on clean dry scalp areas. There are baby hairs coming in along my temples – progress is real but gradual. I’d recommend it with the caveat that you need to be patient and consistent.

  51. Lucas Lewis (verified owner)

    I’ve been struggling with thinning hair for years and this is the first thing that actually made a visible difference. I put it on at night and wash it out the next morning – that overnight soak really helps. My hair doesn’t feel like straw anymore – it’s genuinely moisturized from root to tip. This is the real deal – not another overhyped product.

  52. Logan Johnson (verified owner)

    The product itself is decent but I expected more given the claims and the price point. I massage it into my scalp with my fingertips for about 2 minutes each application. It has biotin which is supposed to help, but I’m not seeing the results I expected from it. The shedding didn’t decrease much – maybe slightly less but nothing dramatic. My hair felt moisturized initially but the effect didn’t last. I’ve been using it for 11 weeks now and while the results aren’t dramatic, there is some progress. It might work better for someone with different hair concerns.

  53. Sebastian Martin (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 love that this contains biotin – it’s one of the few ingredients that’s actually been studied for hair growth. My scalp feels balanced – not oily, not dry, just healthy. I’m seeing real density improvement at my crown where my scalp used to show through. 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. Five stars without hesitation.

  54. Leah Young (verified owner)

    I’ve been struggling with thinning hair for years and this is the first thing that actually made a visible difference. 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 regrowth along my temples is visible enough that friends have asked what I’m using. My hair doesn’t feel like straw anymore – it’s genuinely moisturized from root to tip. 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. Definitely worth the investment for anyone dealing with similar hair concerns.

  55. Madison Lee (verified owner)

    I’ll finish the bottle but I’m not sure I’d buy it again. We’ll see how the next few weeks go. A little goes a long way – I use 3-4 drops along my hairline and crown area. The strengthening effect is minimal for the price. Maybe with more time I’d see better results, but I’m not impressed so far.

  56. Amelia Wilson (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. I’m seeing some new growth, though it’s been slower than I hoped. I’d recommend it with the caveat that you need to be patient and consistent.

  57. Mila Johnson (verified owner)

    Actually works. My scalp feels healthier and I see new growth. The biotin makes a difference.

  58. Wyatt Martinez (verified owner)

    My partner noticed the difference before I even said anything about using a new product. I put it on at night and wash it out the next morning – that overnight soak really helps. I love that this contains biotin – it’s one of the few ingredients that’s actually been studied for hair growth. I’m seeing real density improvement at my crown where my scalp used to show through. Even in dry weather, my hair stays hydrated and doesn’t get that crackly texture. It took about 6 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. This product restored my confidence in my hair.

  59. Amelia Ramirez

    This has earned a permanent spot in my hair care routine. Can’t imagine being without it now. I apply a few drops to my scalp every night before bed and massage it in. My dry, brittle ends have transformed into something that actually feels soft and hydrated. Honestly the best hair product purchase I’ve made this year.

  60. Henry Williams (verified owner)

    I bought this on a recommendation from a friend and I’m so glad I did. I use it twice a day, morning and night, on clean dry scalp areas. My ends feel strong and healthy instead of frayed and split. This is the real deal – not another overhyped product.

  61. Alexander Lee (verified owner)

    Decent product. scalp is noticeable after about 3 weeks of use.

  62. Avery Wright (verified owner)

    I’ve been using this for about six weeks and I’m seeing real progress, though it’s not perfect. I use it twice a day, morning and night, on clean dry scalp areas. 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.

  63. Sebastian Jackson (verified owner)

    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. My dry, brittle ends have transformed into something that actually feels soft and hydrated. My scalp feels balanced – not oily, not dry, just healthy. For anyone just starting, give it at least 4 weeks before deciding if it works for you. Hair growth cycles are slow. I only wish I’d started using it sooner.

  64. Sebastian Miller (verified owner)

    I was skeptical at first because I’ve been burned by so many products before, but this one really delivers. A little goes a long way – I use 3-4 drops along my hairline and crown area. I love that this contains biotin – it’s one of the few ingredients that’s actually been studied for hair growth. My dry, brittle ends have transformed into something that actually feels soft and hydrated. I’m losing way fewer hairs when I style – the tensile strength has definitely improved. 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.

  65. Alexander Sanchez

    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. Since biotin is a key ingredient, I feel confident this is doing something real, not just coating my hair. I don’t get that tight, itchy feeling anymore, even between washes. My ends feel strong and healthy instead of frayed and split. 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. Honestly the best hair product purchase I’ve made this year.

  66. Ethan Young (verified owner)

    This works. biotin + consistent use = visible results in 3 weeks.

  67. Aubrey Jones (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. It works for a few days then seems to stop being effective. It might work better for someone with different hair concerns.

  68. Mason Clark

    Best I’ve tried for growth. Noticed changes in week two.

  69. Leo Martinez (verified owner)

    After postpartum hair loss wrecked my confidence, this product helped me feel like myself again. I put it on at night and wash it out the next morning – that overnight soak really helps. I’m seeing real density improvement at my crown where my scalp used to show through. I’ve already repurchased and will keep this in my routine indefinitely.

  70. Hannah Moore (verified owner)

    My partner noticed the difference before I even said anything about using a new product. 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. Definitely worth the investment for anyone dealing with similar hair concerns.

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