New here? You'll need the band.
Sensors read; the Curve band is the brain that turns them into your continuous curve. Founder bands include your first month.
Home/Cortisol sensors
This is the 14-day cortisol sensor that powers your Curve, a swappable cartridge that measures cortisol from your sweat for 14 days, then you snap in a fresh one. It's the only part of the Curve that wears out.
Per month, billed annually at $179.88 · every sensor you need, auto-shipped.
Prices are in Canadian dollars. Prices shown are target prices and may differ from the final sale price.
No deposit. No spam. Leave any time.
We ship to Canada and the United States first. Reserving from anywhere is free, and you'll be the first to know when we reach your region.
No tools, no clinic, no waiting. When a sensor reaches day 14, the app tells you, and the change takes seconds.
The magnetic tray releases the spent sensor with a press. Drop it in the recycling sleeve it came in.
A new sensor clicks into place by magnet. It seats the same way every time, so contact is always right.
The app picks the new sensor up automatically and your curve continues without a gap.
of continuous reading from one sensor, and the next pack ships before you run out.
One lab test tells you where you were. A continuous curve tells you where you are going.Auromone · the sensor plan, cancel any time
Each sensor carries a thin layer shaped to lock onto cortisol. When cortisol attaches, it shifts a tiny electrical signal, and a second electrode alongside it cleans up the noise, down to very small amounts.
It reads the active cortisol in your sweat, the same kind a lab measures in blood, which is the fraction your body actually responds to.
A lab test gives you one number from one morning. The sensor plan keeps a reading going without you thinking about it, with a fresh pack arriving before the last sensor expires. The plans are below.
Estimated at ~26 sensors a year of continuous wear. Skip, pause, or cancel any time.
A fresh 4-pack arrives before your last sensor expires. Your curve never goes dark.
Your founder rate is held for year one. No codes, no re-ordering, no thinking about it.
Skip a shipment, change the cadence, or cancel from the app in two taps. No phone calls.
Sensors read; the Curve band is the brain that turns them into your continuous curve. Founder bands include your first month.
The app counts each sensor down and nudges you a day before it expires at 14 days. Swapping takes about ten seconds and your curve continues without a gap.
Sweat carries the same active cortisol as a blood test, the form your body actually responds to. The difference is coverage: a blood test is one moment, and the Curve is designed to read continuously across the whole day. See how the Curve stacks up against other cortisol wearables and lab tests.
Sealed sensors keep for about 12 months at room temperature. Subscribe & save sends just enough so your spares are always fresh, rather than stockpiling.
Any time, from the app, in two taps. Skip a shipment, stretch the cadence, or cancel outright, no calls and no fees. You keep founder pricing as long as the subscription stays active.
The cortisol sensor fits every Curve band. Sensors for other hormone families arrive as their own modules, and subscribers get first access to each.
Join the waitlist and your sensor plan ships with your Curve in Q4 2026. We only charge when it ships, never before.
No deposit. No spam. Leave any time.
We ship to Canada and the United States first. Reserving from anywhere is free, and you'll be the first to know when we reach your region.
Prices are in Canadian dollars. Prices shown are target prices and may differ from the final sale price.