Feno subject lines
161 subject lines averaging 37 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Oct 31, 2026 11:08 AM | Halloween tip from a surgeon: it's how often, not how much | 58 | Let them enjoy the candy. Just watch the clock. | Oct 31, 2026 11:08 AM · 58 characters. Let them enjoy the candy. Just watch the clock. | |
| Oct 30, 2026 1:31 PM | A note from Dr. Kenny Brown | 27 | What I saw in the operating room, and why it led to Feno. | Oct 30, 2026 1:31 PM · 27 characters. What I saw in the operating room, and why it led to Feno. | |
| Oct 29, 2026 4:39 AM | 📱Brush Smarter, Live Longer: Personalized prevention | 53 | The power of oral health analytics | Oct 29, 2026 4:39 AM · 53 characters. The power of oral health analytics | |
| Oct 28, 2026 1:33 AM | ⏳ Don’t Lose Your Reserved Smartbrush | 37 | The toothbrush that gets it done in 20 seconds. | Oct 28, 2026 1:33 AM · 37 characters. The toothbrush that gets it done in 20 seconds. | |
| Oct 27, 2026 1:32 AM | Why 20,000+ switched to Feno | 28 | Your gift is waiting. | Oct 27, 2026 1:32 AM · 28 characters. Your gift is waiting. | |
| Oct 26, 2026 1:31 AM | 20,000 people switched. Are you next? | 37 | Get the Founder’s Bundle + 2 FREE Feno Gum | Oct 26, 2026 1:31 AM · 37 characters. Get the Founder’s Bundle + 2 FREE Feno Gum | |
| Oct 23, 2026 10:15 PM | Small spot, big difference | 26 | Blame the angle, not your brushing | Oct 23, 2026 10:15 PM · 26 characters. Blame the angle, not your brushing | |
| Oct 22, 2026 4:38 AM | Guilty of having bad breath? | 28 | Here’s what you might be missing. | Oct 22, 2026 4:38 AM · 28 characters. Here’s what you might be missing. | |
| Oct 21, 2026 11:27 AM | Rate your last brush, 1 to 100 | 30 | Not sure? Most people aren’t. | Oct 21, 2026 11:27 AM · 30 characters. Not sure? Most people aren’t. | |
| Oct 16, 2026 12:32 PM | Quick question: what brought you to Feno? | 41 | One tap. That’s it. | Oct 16, 2026 12:32 PM · 41 characters. One tap. That’s it. | |
| Oct 15, 2026 11:04 AM | Two minutes of brushing? Every morning? | 39 | Here’s how 3 Feno owners do it in 20 seconds. | Oct 15, 2026 11:04 AM · 39 characters. Here’s how 3 Feno owners do it in 20 seconds. | |
| Oct 2, 2026 7:58 PM | ⏳ Don’t Lose Your Reserved Smartbrush | 37 | The toothbrush that gets it done in 20 seconds. | Oct 2, 2026 7:58 PM · 37 characters. The toothbrush that gets it done in 20 seconds. | |
| Oct 1, 2026 8:32 PM | Why 10,000+ switched to Feno—before it sells out | 48 | Your gifts are waiting. | Oct 1, 2026 8:32 PM · 48 characters. Your gifts are waiting. | |
| Sep 30, 2026 7:57 PM | 20,000 people switched. Are you next? | 37 | The Founder's Bundle saves you up to $200, but not for long. | Sep 30, 2026 7:57 PM · 37 characters. The Founder's Bundle saves you up to $200, but not for long. | |
| Sep 28, 2026 7:55 PM | You left better brushing behind | 31 | 20 seconds to a cleaner your dentist will notice | Sep 28, 2026 7:55 PM · 31 characters. 20 seconds to a cleaner your dentist will notice | |
| Sep 28, 2026 4:50 PM | One size doesn't fit every mouth | 32 | Your dental arch isn't one-size-fits-all either. | Sep 28, 2026 4:50 PM · 32 characters. Your dental arch isn't one-size-fits-all either. | |
| Sep 22, 2026 8:53 PM | ⏳ Don’t Lose Your Reserved Smartbrush | 37 | The toothbrush that gets it done in 20 seconds. | Sep 22, 2026 8:53 PM · 37 characters. The toothbrush that gets it done in 20 seconds. | |
| Sep 21, 2026 3:08 PM | Dry mouth isn’t nothing | 23 | Your teeth notice when saliva runs low. | Sep 21, 2026 3:08 PM · 23 characters. Your teeth notice when saliva runs low. | |
| Sep 20, 2026 8:43 PM | 20,000 people switched. Are you next? | 37 | The Founder's Bundle saves you up to $200, but not for long. | Sep 20, 2026 8:43 PM · 37 characters. The Founder's Bundle saves you up to $200, but not for long. | |
| Sep 19, 2026 8:42 PM | When brushing doesn’t stay consistent… | 39 | It’s not just about discipline. | Sep 19, 2026 8:42 PM · 39 characters. It’s not just about discipline. | |
| Sep 18, 2026 8:41 PM | You left better brushing behind | 31 | 20 seconds to a cleaner your dentist will notice | Sep 18, 2026 8:41 PM · 31 characters. 20 seconds to a cleaner your dentist will notice | |
| Sep 18, 2026 2:34 PM | Plaque comes back fast | 22 | What matters is what your brush left behind. | Sep 18, 2026 2:34 PM · 22 characters. What matters is what your brush left behind. | |
| Sep 14, 2026 3:45 PM | What makes a toothbrush smart? | 30 | A timer only tells you how long you brushed. | Sep 14, 2026 3:45 PM · 30 characters. A timer only tells you how long you brushed. | |
| Sep 9, 2026 2:16 PM | Look where your teeth meet your gums | 36 | That's where brushing gets harder. | Sep 9, 2026 2:16 PM · 36 characters. That's where brushing gets harder. | |
| Sep 2, 2026 2:55 PM | Your mouth isn't supposed to be bacteria-free | 45 | So why do we treat it like it is? | Sep 2, 2026 2:55 PM · 45 characters. So why do we treat it like it is? | |
| Aug 30, 2026 11:17 PM | ⏳ Don’t Lose Your Reserved Smartbrush | 37 | The toothbrush that gets it done in 20 seconds. | Aug 30, 2026 11:17 PM · 37 characters. The toothbrush that gets it done in 20 seconds. | |
| Aug 29, 2026 11:16 PM | Why 10,000+ switched to Feno—before it sells out | 48 | Your gifts are waiting. | Aug 29, 2026 11:16 PM · 48 characters. Your gifts are waiting. | |
| Aug 28, 2026 11:15 PM | 20,000 people switched. Are you next? | 37 | The Founder's Bundle saves you up to $200, but not for long. | Aug 28, 2026 11:15 PM · 37 characters. The Founder's Bundle saves you up to $200, but not for long. | |
| Aug 27, 2026 11:13 PM | When brushing doesn’t stay consistent… | 38 | It’s not just about discipline. | Aug 27, 2026 11:13 PM · 38 characters. It’s not just about discipline. | |
| Aug 26, 2026 11:52 PM | You left better brushing behind | 31 | 20 seconds to a cleaner your dentist will notice | Aug 26, 2026 11:52 PM · 31 characters. 20 seconds to a cleaner your dentist will notice | |
| Aug 26, 2026 3:15 PM | Mouthwash may be doing less than you think | 42 | The part it can’t do is the part plaque depends on. | Aug 26, 2026 3:15 PM · 42 characters. The part it can’t do is the part plaque depends on. | |
| Aug 21, 2026 3:10 PM | You might be doing this while reading this email | 48 | Check what your jaw is doing right now. | Aug 21, 2026 3:10 PM · 48 characters. Check what your jaw is doing right now. | |
| Aug 17, 2026 4:43 PM | When brushing feels impossible | 30 | Your mental health may be affecting your teeth. | Aug 17, 2026 4:43 PM · 30 characters. Your mental health may be affecting your teeth. | |
| Aug 10, 2026 4:09 PM | Your plaque is more alive than you think | 40 | It gets harder to remove the longer it sits. | Aug 10, 2026 4:09 PM · 40 characters. It gets harder to remove the longer it sits. | |
| Aug 9, 2026 4:27 PM | ⏳ Don’t Lose Your Reserved Smartbrush | 37 | The toothbrush that gets it done in 20 seconds. | Aug 9, 2026 4:27 PM · 37 characters. The toothbrush that gets it done in 20 seconds. | |
| Aug 8, 2026 4:26 PM | , your dentist is about to notice something | 43 | Clean in 20 seconds. Results that speak for themselves. | Aug 8, 2026 4:26 PM · 43 characters. Clean in 20 seconds. Results that speak for themselves. | |
| Aug 7, 2026 4:25 PM | 50,000 people switched. Are you next? | 37 | The Founder's Bundle saves you up to $200, but not for long. | Aug 7, 2026 4:25 PM · 37 characters. The Founder's Bundle saves you up to $200, but not for long. | |
| Aug 6, 2026 4:26 PM | When brushing doesn’t stay consistent… | 38 | It’s not just about discipline. | Aug 6, 2026 4:26 PM · 38 characters. It’s not just about discipline. | |
| Aug 5, 2026 4:23 PM | You left better brushing behind | 31 | 20 seconds to a cleaner your dentist will notice | Aug 5, 2026 4:23 PM · 31 characters. 20 seconds to a cleaner your dentist will notice | |
| Aug 4, 2026 3:44 PM | Vaping may be changing your mouth | 33 | Dry mouth is only one warning sign. | Aug 4, 2026 3:44 PM · 33 characters. Dry mouth is only one warning sign. | |
| Jul 31, 2026 11:25 PM | ⏳ Don’t Lose Your Reserved Smartbrush | 37 | The toothbrush that gets it done in 20 seconds. | Jul 31, 2026 11:25 PM · 37 characters. The toothbrush that gets it done in 20 seconds. | |
| Jul 30, 2026 11:24 PM | Why 10,000+ switched to Feno—before it sells out | 48 | Your gifts are waiting. | Jul 30, 2026 11:24 PM · 48 characters. Your gifts are waiting. | |
| Jul 29, 2026 5:24 PM | Your saliva may be warning you | 30 | Dryness or irritation may be an early sign. | Jul 29, 2026 5:24 PM · 30 characters. Dryness or irritation may be an early sign. | |
| Jul 28, 2026 11:22 PM | When brushing doesn’t stay consistent… | 38 | It’s not just about discipline. | Jul 28, 2026 11:22 PM · 38 characters. It’s not just about discipline. | |
| Jul 27, 2026 11:21 PM | You left better brushing behind | 31 | 20 seconds to a cleaner your dentist will notice | Jul 27, 2026 11:21 PM · 31 characters. 20 seconds to a cleaner your dentist will notice | |
| Jul 26, 2026 3:05 PM | Dry mouth can change your teeth fast | 36 | Low saliva leaves teeth exposed. | Jul 26, 2026 3:05 PM · 36 characters. Low saliva leaves teeth exposed. | |
| Jul 22, 2026 3:12 PM | Can probiotics help with oral thrush? | 37 | The benefit may not last. | Jul 22, 2026 3:12 PM · 37 characters. The benefit may not last. | |
| Jul 19, 2026 12:32 PM | ⏳ Don’t Lose Your Reserved Smartbrush | 37 | The toothbrush that gets it done in 20 seconds. | Jul 19, 2026 12:32 PM · 37 characters. The toothbrush that gets it done in 20 seconds. | |
| Jul 18, 2026 5:00 PM | Your mouth may be warning you | 29 | Some signs deserve a second look. | Jul 18, 2026 5:00 PM · 29 characters. Some signs deserve a second look. | |
| Jul 18, 2026 12:30 PM | , your dentist is about to notice something | 43 | Clean in 20 seconds. Results that speak for themselves. | Jul 18, 2026 12:30 PM · 43 characters. Clean in 20 seconds. Results that speak for themselves. |
Based on 161 emails received from Mar 16 to Oct 31, 2026. Times in US Eastern. How we collect