Our Science
One Nerve. Two Ways to Reach It.
Both Frost products are built around the same fact: the nerve that carries the migraine signal comes close enough to the surface of your head to be reached from the outside. The roll-on reaches it with cold. Frost Labs One reaches it with gentle electrical pulses. Pick the one you want the science for.
Which product do you want to see the science for?
Most Migraine Roll‑Ons Fail Before They Touch Your Skin.
We went through the clinical research behind every ingredient sold in topical migraine products. Most of them can't do what the label promises — not because the ingredients are bad, but because the math doesn't work. Here's what we found, and what we built instead.
The Ingredient That Can't Reach You
Many roll-ons list magnesium as a star ingredient. Magnesium does have real migraine evidence — when you swallow it. The study that worked used 600 mg a day, taken orally. A roll-on puts about 2 mg on the surface of your skin. And skin blocks charged minerals like magnesium almost completely.
You can barely see the second bar. That's the point.
“If an ingredient can't reach you, it doesn't belong on the label.”
The Frost StandardWhy 10%, Specifically
Menthol is the only topical ingredient with a randomized controlled migraine trial behind it. But the dose decides everything. Too little does nothing. Too much turns against you. There's a narrow window where the evidence lives — and Frost sits exactly in it.
Below 6%
Smells nice, cools for a moment, gone in minutes. The one study at 6% had no control group.
10% — where Frost lives
In a randomized trial, 10% menthol beat a low-dose comparator on being pain-free at 2 hours. This is the dose with receipts.
Above 30%
High-dose menthol is literally used in research labs as a pain model. More is not better — more is backwards.
Built to Reach the Nerves That Matter
Most products cool wherever you rub them and hope for the best. Frost is designed around one simple fact: a few migraine-relevant nerves run close enough to the surface of your skin for a roll-on to actually reach them.
Target the nerves you can reach
Key migraine nerves — the greater occipital nerve at the base of your skull and the trigeminal branches at your temples — run just millimeters under the skin. The occipital region is the same spot doctors target with nerve-block injections, one of the strongest non-drug migraine treatments ever measured. Roll Frost behind the ears, along the hairline, and on the temples to cover them.
Flood them with cold signal
10% menthol fires the cold receptors along those nerves — hard, and for far longer than an ice pack stays cold. When a strong cold signal and a pain signal travel the same pathway, the cold crowds the pain out and switches on your body's own built-in pain-dampening system. That's why relief starts in minutes, right where you applied it.
Lavender rides the air
The migraine study on lavender used inhalation — not skin. Rolled onto your temples, it evaporates right under your nose, so you breathe it in exactly the way the study tested. Two routes, one roll.
This isn't a cure. It's a precision tool — built to reach what a topical can actually reach, and honest about the rest.
What's Not in Frost — and Why
The easiest way to look impressive is a long ingredient list. We went the other way. Everything below got cut for a reason.
Magnesium
See the math above. We'd rather leave it out than print it on the label knowing it can't get through your skin.
Feverfew
Cosmetic-grade feverfew is routinely stripped of its active compound during processing. You'd be buying the name, not the molecule.
Chamomile, ginger, valerian
Real evidence — when swallowed or inhaled. Zero published trials showing any of them work through skin. They'd make our label longer, not better.
Synthetic fragrance
Nearly half of migraine sufferers are scent-sensitive. The category sells them perfume anyway. We went the opposite direction.
“We'd rather have a short ingredient list than a dishonest one.”
The Frost StandardEvery Ingredient. Why It's There.
Seven ingredients. Each one has a job. Even the rollerball glide has a stated reason — because if we can't explain why something's in the bottle, it shouldn't be.
Cooling counter-irritant. The exact concentration that won a randomized migraine trial on 2-hour pain freedom.
Evaporates at the temples so you inhale it — the route the migraine study actually used. Kept at the minimum effective level for scent-sensitive users.
Fast evaporation drives that instant cooling hit and carries menthol onto the skin.
Offsets alcohol dryness and extends how long menthol stays in contact with your skin.
Slows evaporation so the effect lasts instead of flashing off in seconds.
Lets the rollerball run smoothly without dragging on tender skin.
Protects the lavender oil from oxidizing in the bottle, so the last drop works like the first.
Half the Category's Customers Are Triggered by Scent. The Category Sells Them Perfume.
Across 58 studies and 22,000+ patients, nearly half of migraine sufferers report scent sensitivity during attacks — and over a third name specific smells as triggers. The two biggest consumer migraine categories? Essential-oil roll-ons and aromatherapy. Built on fragrance.
Frost carries no synthetic fragrance, no fragrance layering, no “signature scent.” Just lavender at the minimum effective level. It's a formula, not a perfume.
The Science Is Why We Built It. This Is Why We Keep Making It.
“I felt a migraine starting right before dinner with friends. I rolled this on and was able to go. I wasn't my best self, but I didn't have to bail. That means everything.”
Emma R. — Verified Buyer“My migraines used to be a 9 out of 10. With this, they drop to maybe a 5 or 6. Still there, but I can handle it. That's a win for me.”
Lauren S. — Verified Buyer“I didn't believe the marketing. But after using it consistently, I can say it genuinely helps. It's not perfect, but it's honest. It does what it says without overpromising.”
Heather M. — Verified BuyerYou've Read the Science.
Now Test It on Your Own Head.
If the evidence makes sense to you, try Frost. If it doesn't work for you, you get your money back. We don't hide behind fine print.
Frost is a topical cosmetic product. It is not intended to diagnose, treat, cure, or prevent any disease.
Your Hands Already Know Where the Nerve Is.
Watch where they go at the start of a bad one: just above the eyebrows, pressing. Two branches of the trigeminal nerve — the nerve that carries the migraine signal — surface exactly there, millimetres under the skin. Frost Labs One is built for that spot, and nothing else.
The One Place the Migraine Nerve Comes to the Surface
The trigeminal nerve carries nearly all sensation from the face and the front of the head. Its upper branch fans out across the forehead, and two of its branches — the supraorbital and supratrochlear nerves — pass through the bone just above each eyebrow. Flat skin, no hair, a few millimetres deep. It is the most reachable stretch of this nerve in the whole body, which is why the forehead is the established site for this kind of stimulation.
The 130 mm pad puts a gel zone over each branch. The pod in the middle sends gentle, precisely shaped pulses through the skin, directly into the nerve that carries the migraine signal. That is the whole design.
Three Steps. Then It Runs Itself.
On in about thirty seconds, silent, and usable lying down in a dark room. You set the intensity across nine levels — nothing climbs unless you climb it.
Place
Press the 130 mm pad across a clean, dry brow line — a gel zone above each eyebrow. Smooth the outer edges down firmly.
Snap
The pod clicks on magnetically — the same magnet is the charger, so there are no ports to clean or wear out. One press starts the session.
Dial in
Step up to a strong but comfortable tingle — change it any time mid-session. Lie back. RELIEF ends at 40 minutes, DAILY at 20. It shuts itself off.
One for the Attack in Front of You. One for the Month Ahead.
Most of what you own does one job. This does two, and they are different jobs.
When an attack is starting or already there
Higher-frequency stimulation at the top of the range, run for a full session. While it runs, the pain fades into the background. Most people lie back, close their eyes and let it finish — the device is silent and the room can be dark.
Once a day, to raise the trigger threshold over time
Gentler, slightly lower-frequency stimulation, once a day — most naturally in the evening. Used consistently, the pathway becomes less easily triggered. Judge it after 4 to 8 weeks, and count migraine days, not pain scores.
This isn't a cure. It's a precision tool — built for the one nerve it can reach, and honest about the rest.
We Print the Parameters. Compare Them.
Underneath any brand, this class of device is a pulse generator, a battery and a gel pad. What separates a good one from a bad one is the shape of the pulse — so here is ours.
Why biphasic
Every pulse has a positive phase and a mirror-image negative phase, so the net charge to your skin is zero. No build-up, comfortable for repeated daily contact.
Why 60–100 Hz
The range where the nerve fires steadily enough that the sensation blends into one smooth, continuous tingle instead of separate taps.
Why a 16 mA ceiling
Strong enough to clearly feel at the top level, and a hard limit the device cannot exceed no matter how many times you press.
You Decide How Strong It Gets.
Nine levels, all of them set by you. Every session starts at level 1. Step up a level every few minutes and stop wherever it feels right. It holds exactly where you put it, and you can change it at any second.
What it feels like: a firm, fizzy tingling across the forehead — unusual for about a minute, then familiar. Then you lie back. The session ends itself.
Designed for 3 a.m., in the Dark, One-Handed.
Every decision on this device started with the same question: what does someone need mid-attack, with the lights off and the room already tilting?
Silent
No beeps, no chimes. A sleeping partner stays asleep.
One button, one LED
The light changes colour with the program and the level, so you can read it at phone-brightness-zero.
Magnetic pod
Snaps on, and the same magnet is the charger. Nothing to line up in the dark. About an hour of charge gives several days of normal use.
Ends itself
Both programs switch off on their own. Falling asleep mid-session is the plan, not a problem.
App optional
Remote control, reminders and a session log if you want them. Nothing essential lives behind it.
Where It Stops — and Who Shouldn't Use It
The limits are built in on purpose.
Forehead only
It works on the two branches above the eyebrows — the medically accepted site for this class of stimulation. It is not for use on the neck or anywhere else.
A ceiling, not a maximum
16 mA is the hard limit. Every session starts at level 1 and only climbs when you press.
Keep your medication
Drug-free, with nothing to interact with. It is used alongside triptans, preventives and CGRP medication. Tell your doctor you are using it, once.
Do not use with an implant
Not with a pacemaker, an implanted defibrillator or any active implant. If you are pregnant, or have epilepsy or a recent head injury, talk to your doctor first.
“Strong enough to clearly feel. Never strong enough to wince. And always in your hands.”
The Frost StandardYou've Read the Science.
Now Run It Through a Real Attack.
Migraine is episodic, so a short trial proves nothing. You get 90 days from the day it arrives — enough RELIEF sessions through real attacks and enough DAILY sessions to judge prevention honestly. If it hasn't earned its place, send it back for a full refund.
Frost Labs One is a drug-free, non-invasive nerve-stimulation device. Individual results vary. It is not a substitute for medical care. Do not use with a pacemaker or any implanted electronic device; consult your doctor if pregnant.