Why 10,000+ switched to Feno—before it sells out
Preview text: Your gifts are waiting.
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- Subject
- Why 10,000+ switched to Feno—before it sells out
- Preview text
- Your gifts are waiting.
- From
- hello@
feno.co - Brand
- Feno
- ESP
- Klaviyo
- Sent
- Wed Mar 18, 2026, 3:43 AM ET
- Size
- 63 KB
- Images
- 15
- Links
- 17, 5 of them buttons
- Subject length
- 50 characters
Against Feno's usual
Sent in the 3 AM hour, which holds 5% of its emails; 12% arrive in the 3 PM hour. The subject is 50 characters; its average is 37.
Sent just before and after
| Mar 22, 2026 1:52 PM | This overlooked trigger keeps showing up in migraines | |
| Mar 20, 2026 1:12 PM | PTSD may be showing up in your mouth | |
| Mar 19, 2026 3:44 AM | ⏳ Don’t Lose Your Reserved Smartbrush | |
| Mar 18, 2026 1:09 PM | This showed up in brain scans unexpectedly | |
| Mar 18, 2026 3:43 AM | Why 10,000+ switched to Feno—before it sells out (this email) | |
| Mar 17, 2026 3:43 AM | Everyone’s claiming theirs... have you? | |
| Mar 16, 2026 3:44 AM | Don't forget about your next favorite toothbrush |
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