The last question of every good evening.

"Where do I stand?"
Most people guess. EthyloKey lets you check.

Made for the way you actually live.

Using EthyloKey touch-based alcohol detector before driving

Before the drive home

One touch before you grab your keys.

EthyloKey portable touch-based alcohol detector held in hand

The afterwork

A quick check before heading home.

Using EthyloKey touch-based alcohol detector at a social event

The one your friends borrow

Share it. No mouthpieces. No cleaning.

Wearable alcohol detection concept using touch-based sensing technology

The morning after

Because alcohol doesn’t always leave when the night does.

Checking alcohol level in seconds with a simple touch using EthyloKey

Always with you

Built to be used.

Designed to live on your keys.

Compact EthyloKey alcohol detector designed for quick checks anywhere

Reusable

READY FOR REAL LIFE.

No single-use tests or consumables.

Quick alcohol check with EthyloKey before getting behind the wheel

No lab recalibration

THERE WHEN IT MATTERS.

Made for everyday use.

Touch-based alcohol detection with EthyloKey compared with traditional breath testing

Shareable

READY WHEN THE NIGHT CHANGES.

Ready for the next person in about 30 seconds.

AS SEEN IN

Know before you go.

The alcohol detector designed to be there when you actually need it.

Delivery December 2026 – January 2027

See how it works Pre-Order now

2,000+ EthyloKeys already ordered

"You can have it on your keychain… test yourself and your friends, even during unexpected nights out."

— Eva P.

"It's great, and so much easier than blowing into a breathalyzer."

— Séverine K.

"I think this is the future of alcohol detection."

— Davian M.

TF1

The Future Is Already Here: A Simpler, Faster Way to Check Your Blood Alcohol Level

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BFM Business

The Pitch: Julie BRUGUIERE co-founder, EthyloKey detects alcohol through the skin.

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Les Echos ENTREPRENEURS

Launch of production for a Made-in-France keychain that measures blood alcohol levels.

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