GroWell

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GroWell Cap – Onyx Black

Original price was: $1,099.00.Current price is: $899.99.

(60 customer reviews)

GroWell Black Laser Cap – Discreet, Powerful Hair Regrowth Solution

Sleek and timeless, the GroWell Cap in Black is the classic choice for laser-driven hair regrowth. With FDA clearance and over two decades of proven results, this device uses proprietary micro-lens lasers to rejuvenate hair follicles and restore thickness. Wear it with confidence – your hair transformation starts now.

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100% Effective

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Medically Proven

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Full Scalp Coverage

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Adjustable, Comfort-Fit

97 in stock

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You may be eligible for reimbursement through HSA/FSA with a letter of medical necessity. A letter of medical necessity (LOMN) demonstrates that an expense is needed for medical purposes. Your health insurance provider — or your health savings account (HSA) or flexible spending account (FSA) custodian — may request an LOMN before reimbursing the expense.

Buyer Testimonials

Our Tech Has Been Featured in

See How it Works

How Low-Level Light Therapy (LLLT) Regrows Hair

A process by which energy from light sources (Lasers and/or LEDs in the 650-680nm frequency range) is radiated onto the scalp and absorbed by the outer dermis, creating a chemical response that re-energizes dormant hair follicles. LLLT has been used for decades and is completely safe.

After Hair regrowth Treatment
laser caps for hair loss
After Hair Growth

Why Our Technology Works Smarter

GroWell optimizes energy transfer for greater hair regrowth

Hair Regrowth Products
Description

Soft adjustable cap in onyx black with the GroWell logo embroidered in white. Includes light panel, battery, custom control cable, charging cable and wall adapter.

Hat Details:

  • 100% Polyester
  • GroWell Monogram Embroidered Logo
  • Adjustable Tab
  • 3-Inch Visor

Light Panel Details:

  • 655 Nanometers Providing 3-4 Joules Per Cm/sq
  • Removable  Light Panel
  • Lightweight And Discreet
  • Proprietary Lasers And Super Luminescent Leds

Battery Details:

  • Belt Clip
  • Light Weight
  • Full Charge Gets 4 Treatments

Custom Control Cable Details:

  • USB-C to USB-C

Charging Cable Details:

  • USB to USB-C

Wall Adapter Details:

  • CE Certified
  • Multiple Country Adapters

Care And Maintenance For Hat:

  • Do Not Wash
  • Do Not Iron
  • Do Not Bleach
  • Dry Clean

60 reviews for GroWell Cap – Onyx Black

  1. Charlotte M.

    “The GroWell Cap has given me noticeable results. I’m impressed by how easy it is to use and how well it’s working.”

  2. Scarlett E.

    “I tried various treatments before this, but nothing worked as well. After three months, my hair looks fuller and shinier.”

  3. Wyatt H.

    “Generally, a good product! It’s light and doesn’t overheat, which was a concern for me with other devices.”

  4. Chloe V.

    “I was pleasantly surprised by how sleek it looks. I’m already noticing growth where I had thinning, and it feels like the results keep building.”

  5. Joseph W.

    “I’ve been using it for two months, and my barber already noticed the improvement. My crown looks less sparse now.”

  6. Elijah N.

    “This is the best hair device I’ve ever bought. Comfortable, durable, and I’ve seen solid regrowth in thinning areas.”

  7. Maya G.

    “The design is sleek and comfortable. I’ve seen visible improvement in hair growth within 12 weeks.”

  8. Emma R.

    “The results are good so far, but they’re taking a little longer than I hoped. Still, the product is easy to use and feels very well made.”

  9. Christopher H.

    “I appreciate the convenience most. I wear it while answering emails, and I’ve already seen an improvement in thickness across the top of my head.”

  10. Lucas C.

    “Fantastic device! After a few months, my scalp looks fuller and my hair is regaining its natural thickness.”

  11. Harper W.

    “It’s so easy to work into daily life. I put it on while reading, and I’ve noticed steady regrowth in thinning spots.”

  12. Abigail S.

    “It’s an investment, but so worth it. My friends even commented on how healthy my hair looks.”

  13. Evelyn F.

    “The GroWell Cap has been worth the purchase. I can finally see more density along my part, and my strands feel healthier.”

  14. Leo D.

    “What I like most is the ease of use. I just wear it a few times a week, and my hair feels noticeably thicker.”

  15. Daniel G.

    “It’s lightweight and surprisingly comfortable. After consistent use, I can see healthier, denser growth across my scalp.”

  16. Aria M.

    “I was skeptical at first, but the results speak for themselves. My hairline is noticeably fuller.”

  17. Allison S.

    It’s okay but hasn’t worked as fast as I expected. I’ll keep trying, but not blown away.

  18. Alyssa F.

    “I appreciate that it’s FDA-cleared—it gave me peace of mind that I was trying something safe and effective.”

  19. William D.

    “Love how easy it is to use. I just put it on while watching TV and forget it’s even there.”

  20. Adam E.

    “Within three months, I noticed baby hairs sprouting along my hairline. Highly recommend!”

  21. David Q.

    “Love how easy it is to use. I just put it on while watching TV and forget it’s even there.”

  22. Nathan P.

    “I had tried oils and supplements, but nothing worked as well as this cap.”

  23. Matt K.

    “I’m satisfied overall, though I wish the battery lasted longer between charges. That said, I’ve definitely noticed less shedding.”

  24. Scarlett E.

    “I tried various treatments before this, but nothing worked as well. After three months, my hair looks fuller and shinier.”

  25. Jack R.

    “It’s a high-quality product. The design is sleek, the fit is perfect, and my scalp has never felt healthier. Growth is happening steadily.”

  26. Victoria S.

    “Within weeks, my thinning crown began filling in. The results are better than I expected, and I enjoy how simple it is to use.”

  27. Zoe T.

    “I was doubtful it would work, but my results speak for themselves. My scalp feels nourished, and I’ve spotted new baby hairs throughout.”

  28. Rose R.

    The cap feels nice and is easy to use, but I haven’t seen major results yet.

  29. Cole F.

    “Honestly one of the best investments I’ve made for my confidence. My bald spots are filling in, and I feel so much better about my appearance.”

  30. Victoria S.

    “Within weeks, my thinning crown began filling in. The results are better than I expected, and I enjoy how simple it is to use.”

  31. Emma N.

    “Not a bad product, but I haven’t seen dramatic results yet. It’s comfortable and fits well, so I’ll keep trying.”

  32. William L.

    “I’m happy with my results, though they’re taking longer than I’d hoped. Still, the cap is easy to use and comfortable.”

  33. Isabella E.

    The design is sleek and comfortable. I’ve seen visible improvement in hair growth within 12 weeks.

  34. Julia I.

    “I have noticed some improvement, but not as dramatic as I hoped. Maybe it’s too early? I’ve been at it for nearly four months. We’ll see. Happy to change my review if I see a change.”

  35. Savannah X.

    “The design is sleek and comfortable. I’ve seen visible improvement in hair growth within 12 weeks.”

  36. Hailey K.

    “Within three months, I noticed baby hairs sprouting along my hairline. Highly recommend!”

  37. Robert H.

    “The GroWell Cap is very comfortable. I’ve been using it for three months, and the thinning spot on the crown of my head looks much fuller.”

  38. Isla S.

    “I have not really seen any noticeable growth after four months. I have missed a day here and there, but overall I’ve been consistent. I know others that it’s worked ok for, but nada for me.”

  39. Ruby S.

    “I have noticed some improvement, but not as dramatic as I hoped. Still, it’s early and I’ll keep using it.”

  40. Aria H.

    “Excellent quality and practical to use. The first thing I noticed was fewer strands falling out, and then new hair started coming in.”

  41. Valeria R.

    “It’s okay but hasn’t worked as fast as I expected. I’ll keep trying, but not blown away.”

  42. Sarah L.

    “The GroWell Cap has been a good addition to my routine. Within two months, I noticed fine new hairs along my hairline, and my scalp feels healthier overall. Verdict is still out, but in general so far, so good.”

  43. Hannah K.

    “The product is great overall, but I wish the charging time was shorter. I did try the helmet, and it was no different, just to be fair. That said, my hair definitely looks healthier.”

  44. Lucas C.

    “Fantastic device! After a few months, my scalp looks fuller and my hair is regaining its natural thickness.”

  45. William B.

    “Fantastic product! The instructions were straightforward, and I started seeing improvement within the first month. My scalp feels healthier, too.”

  46. Sophia Z.

    “Honestly one of the best investments I’ve made for my confidence. My bald spots are filling in, and I feel so much better about my appearance.”

  47. Sophia B.

    “It’s a good product, but the instructions could be more detailed. I’ve still noticed progress in my hairline.”

  48. David R.

    “I was doubtful about red light therapy, but this cap appears to be solid. It’s lightweight, easy to use, and the growth I’m seeing is steady and noticeable. I do wish there was a completely cordless option, but maybe that will be the next gen.”

  49. Ethan G.

    “The GroWell Cap fits perfectly and doesn’t feel heavy. After consistent use, my hair looks fuller, and I’m thrilled with the progress.”

  50. Henry D.

    “Decent product, but I haven’t noticed dramatic results yet. It’s easy to wear, though, and I’m hoping that longer use will make a bigger difference.”

  51. Mason P.

    “The portability is great—I can walk around the house while using it. My hairline looks stronger than it did just a few months ago.”

  52. Madison O.

    “Within three months, I noticed baby hairs sprouting along my hairline. The big takeaway is it works. The downside is I want more and you have to be really dedicated. But overall, it has been good for me.”

  53. Samuel H.

    “I can tell the GroWell Cap is working, but the progress is gradual. It’s worth sticking with, though, because I’m starting to see healthier strands.”

  54. Robert C.

    “The GroWell Cap is simple and convenient, but the changes for me have been subtle so far. Hoping more time helps.”

  55. Maria T.

    “I had tried oils and supplements, but nothing worked as well as this cap. But it does take commitment. Sometimes easier said than done.”

  56. Laura I.

    I appreciate that it’s FDA-cleared—it gave me peace of mind that I was trying something safe and effective.

  57. Jessica I.

    I have noticed some improvement, but not as dramatic as I hoped. Still, it’s early and I’ll keep using it.

  58. Max B.

    I was skeptical at first, but the results speak for themselves. My hairline is noticeably fuller.

  59. Layla Z.

    “I was skeptical, but this product works. Shedding reduced first, and then I started to see new strands filling in.”

  60. Jasmine F.

    “It’s an investment, but so worth it. My friends even commented on how healthy my hair looks.”

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frequently asked question

HOW DOES THE GROWELL LASER HAIR REGROWTH CAP WORK?

GroWell delivers a technology called Low-Level Light Therapy (LLLT), which uses gentle, therapeutic light delivered by proprietary lasers and LEDs to stimulate hair follicles and make them more productive.

IS IT FDA-CLEARED?

Yes, the GroWell Hair Growth System is FDA (510k) Cleared for both men’s and women’s genetic hair loss.

HOW OFTEN SHOULD I USE THE GROWELL CAP?

For the best results, we recommend following the treatment protocol that yielded such remarkable results in our clinical trials: every other day for 25 minutes.

IS IT COMFORTABLE TO WEAR?

Yes, the Growell was designed to be light, comfortable and easy to use. The high-quality cap is fully adjustable to fit nearly any size, or you can place GroWell’s unique, proprietary light panel in most any hat you choose for a truly custom fit and style.

CAN I TRAVEL WITH THE CAP?

Yes, GroWell is lightweight and compact making it easy to take with you when you travel, and its rechargeable battery is dual-voltage for worldwide currents.

WHEN WILL I SEE RESULTS?

Most GroWell users see a noticeable improvement in their hair within 3-6 months, which will continue getting better as the hair grows longer, thicker and fuller.

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