United States Dermatologist Approved

 4.7/5 based on 1837 reviews

ROLL + GROW

 

"I quit minoxidil after 3 months because the side effects it gave me was a nightmare. I never felt more insecure and was desperate to find a solution that WORKED without having to sacrifice my health, so I spent days doing my research and I found grol. It's now been around 2 months since I started using their roll on serum but I already see new growth and haven't had any issues so far, wish I started with this from the start." - GROL Verified Buyer

Safe & Works for ALL hair types

Apply in seconds, no waste, no mess

Non-oily formula, just use it and go

Sulphate, Paraben, SLS free

Choose Your Comeback

 
Customer avatar
Customer avatar
Customer avatar (Verified reviewer)
87.3k+ verified customers
Recorded since January 2026

Try it for 90 days or your money back

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Real Stories Real Regrowth

 

"I’ve tried Minoxidil. Come to find out, it only works on 40% of people! Big Pharma is full of it. This is the first time I’ve seen actual baby hairs in 3 years and I wish I found this sooner." - GROL Verified Buyer

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I was on minoxidil for 6 months, shed and cried the whole time then gave up. Found grol and omg shedding stopped by week 2, seeing actual regrowth at week 6. I'm pissed I wasted 6 months for nothing when this existed the whole time😭

Sinna B.
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I can't thank grol enough. I'm a swimmer and runner which are genuinely the worst environments when you're losing your hair. I stopped going as much, lost all my motivation and confidence. Month 4 in and I finally feel ready and am so excited to get back out there!

Kostas T.
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Guys the roll on is genius. It literally takes like 10 seconds and I'm left with no mess and none of that greasy hair after😍. I've tried other serums before and they'd leave my hair looking flat and oily all day, this ain’t nothing like that.

Adriana P.
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Oral minox had me feeling like a completely different person. The dizziness and mood swings were something else, my girlfriend actually noticed before I did lol. Switched to grol and the results have been wayyy freaking better, my hair line is back and thicker than ever. Should've never touched oral minox smh.

Geoffrey B.
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UGHHHHH I LOVE THIS!!! Dealing with a pcos diagnosis was bad enough but once the thinning started I really lost it. That was the thing that broke me. Found grol and it gave me something back <3.

Sasha A.
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I was on minoxidil for 6 months, shed and cried the whole time then gave up. Found grol and omg shedding stopped by week 2, seeing actual regrowth at week 6. I'm pissed I wasted 6 months for nothing when this existed the whole time😭

Sinna B.
files/male_runner.jpg

I can't thank grol enough. I'm a swimmer and runner which are genuinely the worst environments when you're losing your hair. I stopped going as much, lost all my motivation and confidence. Month 4 in and I finally feel ready and am so excited to get back out there!

Kostas T.
files/penguin_pfp.jpg

Guys the roll on is genius. It literally takes like 10 seconds and I'm left with no mess and none of that greasy hair after😍. I've tried other serums before and they'd leave my hair looking flat and oily all day, this ain’t nothing like that.

Adriana P.
files/bb6dacf442e95a780e03e534ea0c4cf2.jpg

Oral minox had me feeling like a completely different person. The dizziness and mood swings were something else, my girlfriend actually noticed before I did lol. Switched to grol and the results have been wayyy freaking better, my hair line is back and thicker than ever. Should've never touched oral minox smh.

Geoffrey B.
files/19ecb5e5459bd543589811b2675232d7.jpg

UGHHHHH I LOVE THIS!!! Dealing with a pcos diagnosis was bad enough but once the thinning started I really lost it. That was the thing that broke me. Found grol and it gave me something back <3.

Sasha A.
files/shadow_pfp.jpg

I was on minoxidil for 6 months, shed and cried the whole time then gave up. Found grol and omg shedding stopped by week 2, seeing actual regrowth at week 6. I'm pissed I wasted 6 months for nothing when this existed the whole time😭

Sinna B.
files/male_runner.jpg

I can't thank grol enough. I'm a swimmer and runner which are genuinely the worst environments when you're losing your hair. I stopped going as much, lost all my motivation and confidence. Month 4 in and I finally feel ready and am so excited to get back out there!

Kostas T.
files/penguin_pfp.jpg

Guys the roll on is genius. It literally takes like 10 seconds and I'm left with no mess and none of that greasy hair after😍. I've tried other serums before and they'd leave my hair looking flat and oily all day, this ain’t nothing like that.

Adriana P.
files/bb6dacf442e95a780e03e534ea0c4cf2.jpg

Oral minox had me feeling like a completely different person. The dizziness and mood swings were something else, my girlfriend actually noticed before I did lol. Switched to grol and the results have been wayyy freaking better, my hair line is back and thicker than ever. Should've never touched oral minox smh.

Geoffrey B.
files/19ecb5e5459bd543589811b2675232d7.jpg

UGHHHHH I LOVE THIS!!! Dealing with a pcos diagnosis was bad enough but once the thinning started I really lost it. That was the thing that broke me. Found grol and it gave me something back <3.

Sasha A.
files/shadow_pfp.jpg

I was on minoxidil for 6 months, shed and cried the whole time then gave up. Found grol and omg shedding stopped by week 2, seeing actual regrowth at week 6. I'm pissed I wasted 6 months for nothing when this existed the whole time😭

Sinna B.
files/male_runner.jpg

I can't thank grol enough. I'm a swimmer and runner which are genuinely the worst environments when you're losing your hair. I stopped going as much, lost all my motivation and confidence. Month 4 in and I finally feel ready and am so excited to get back out there!

Kostas T.
files/penguin_pfp.jpg

Guys the roll on is genius. It literally takes like 10 seconds and I'm left with no mess and none of that greasy hair after😍. I've tried other serums before and they'd leave my hair looking flat and oily all day, this ain’t nothing like that.

Adriana P.
files/bb6dacf442e95a780e03e534ea0c4cf2.jpg

Oral minox had me feeling like a completely different person. The dizziness and mood swings were something else, my girlfriend actually noticed before I did lol. Switched to grol and the results have been wayyy freaking better, my hair line is back and thicker than ever. Should've never touched oral minox smh.

Geoffrey B.
files/19ecb5e5459bd543589811b2675232d7.jpg

UGHHHHH I LOVE THIS!!! Dealing with a pcos diagnosis was bad enough but once the thinning started I really lost it. That was the thing that broke me. Found grol and it gave me something back <3.

Sasha A.

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Your Growth Timeline

Consistency is the secret ingredient. Here is what to expect when you stick to the routine.

  1. check_circle

    WEEKS 1-4

    The "Anchor" Phase

    Nutrients begin to fortify the root. Most users notice significantly less hair in the shower drain or hairbrush as shedding stabilizes.

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    WEEKS 4-8

    Follicle Awakening

    Dormant follicles reactivate. You may start seeing "peach fuzz" or fine baby hairs appearing along the hairline or thinning spots.

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    WEEKS 8-12

    Density Shift

    Those baby hairs begin to darken and thicken. The overall texture of your hair feels stronger, and scalp visibility starts to decrease.

  4. check_circle

    WEEK 12-16

    Visible Coverage

    This is the "Wow" moment. Significant regrowth in previously thin areas. Your hair looks fuller, styles better, and feels healthier.

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    WEEK 24+

    Peak Performance

    You are now in maintenance mode. Hair density is maximized, and the roll-on routine keeps roots anchored against future shedding

THE SCIENCE OF DELIVERY

Why Most Hair Oils Fail: They Sit ON The Scalp

Traditional rosemary oils and thick serums have molecules too large to penetrate the scalp's protective barrier. They sit on the surface, causing greasy buildup that clogs pores and actually suffocates the follicle. GROL is different. We engineered a smart delivery system. Our roll-on applicator combined with a lightweight molecular formula ensures nutrients reach the follicle bulb instantly alongside our targeted roll-on approach.

Frequently Asked Questions

Absolutely, it’s suitable for all hair textures, including straight, curly, coily, and color-treated hair

Yes. Grol is designed to fit seamlessly into your existing routine. Apply it first, let it absorb for a minute or two, then style as normal.

Each 25ml bottle is designed to last one month with daily use. For best results, we recommend a minimum of 3 months of consistent use.

For best results, use GROL once or twice a day, every day. We recommend applying it at night to let the nutrients work while you sleep, but the non-greasy formula is perfectly fine for morning use as well.

Week 1-2: Shedding typically slows down noticeably. Hair fall during washing, brushing and styling starts to decrease.

Month 1-2: Baby hairs begin to appear in thinning areas. This is your hair actively regrowing.

Month 3+: Visible thickening and fuller coverage across the scalp.

*individual results may vary*

No. Unlike minoxidil, GROL does not cause dread shed. One of GROL's key actives, Aminexil, works specifically to reduce shedding and strengthen hair at the root, meaning your hair should only be getting better from day one, not worse.

No. Most hair serums and oils sit on the surface of the scalp, causing grease and buildup. Grol's lightweight formula is designed to absorb directly into the scalp, leaving zero grease, residue, or stickiness behind. Apply it and get on with your day.

Yes. Grol is completely free from sulphates, parabens, and SLS, the harsh chemicals commonly found in hair products that cause irritation and damage. It's gentle enough for everyday use on all hair types, including sensitive scalps.

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  • I took finastride/minoxidil together for 5 months and I could write a shopping list worth of side effects. I used grol for the 0 side effects claim and boy they did not disappoint. I feel completely normal while my hair grows and haven’t felt this good in a long time.

    Dominik S.

  • I was unsure because I've tried everything under the sun. But the drain in my shower is finally empty after washing. I can actually take a shower now without being pissed off lol.

    Amber L.

  • I’ve tried 2 different serums and I barely saw any results. I love that it doesn't run down my face like liquid droppers because I started to grow hair on my face☹️. I had 0 issues like that with GROL and saw really good growth around my hairline and sides. 10/10 would recommend!!

    Lara K.

  • When my hair first started thinning I was panicking! I was scared of all the side effects people talked about on otc treatments. I saw Grol on instagram so I bought it because it’s natural and saw everyone saying no side effects. I am soooo relieved bc my hair is soooo much thicker and healthier. I use it everyday and it even works on my eyebrows hehe.

    Zaniya W.

  • Best investment for my hair. I can apply it in the morning and go straight to work without looking oily. It’s deadass so easy I can actually use it every single day. My crown is filling in beautifully👌

    Ron W.

  • After my second pregnancy, my edges were practically gone. I didn't have time for complex routines. The roll on took 10 seconds a day, and after 8 weeks, my hairline is finally filling back in. I can wear a ponytail again!

    Paloma H.