CAUTION: side effect is unstoppable confidence ⚠️
Preview text: Use it for youthful color.

Using this email in an article? Credit: heyhair email via They Sent It, with a link to this page. Full-size image
- Subject
- CAUTION: side effect is unstoppable confidence ⚠️
- Preview text
- Use it for youthful color.
- From
- hello@
heyhair.co - Brand
- heyhair
- ESP
- Klaviyo
- Sent
- Sun Oct 25, 2026, 6:30 AM ET
- Size
- 47 KB
- Images
- 5
- Links
- 9, 4 of them buttons
- Subject length
- 49 characters
Email headers
What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.
- From
- heyhair <[email protected]>
- Reply-To
- [email protected]
- Subject
- CAUTION: side effect is unstoppable confidence ⚠️
- Date
- Sun, 25 Oct 2026 10:30:21 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-53
- Return-Path domain
- contact.heyhair.co
- DKIM signature
- d=heyhair.co s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-canary-…-spg2g with SMTP
- from (unnamed) by geopod-ismtpd-53 with HTTP
Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID
Sent just before and after
| Oct 28, 2026 11:03 AM | 😱 Up to 60% OFF?! Frightfully good prices inside | |
| Oct 27, 2026 11:00 AM | Bring your hair's GLORY DAYS back | |
| Oct 26, 2026 11:01 AM | Act on hair aging early, before the gray ⏰ | |
| Oct 25, 2026 6:30 AM | CAUTION: side effect is unstoppable confidence ⚠️ (this email) | |
| Oct 24, 2026 8:01 AM | 5 gray hair fixes dermatologists recommend | |
| Oct 23, 2026 11:30 AM | Can you spot the truth? 2 myths, 1 truth 🔎 | |
| Oct 22, 2026 10:01 AM | 🔄 Feeling gray? Time to change that |
More from heyhair
All heyhair emailsQuick quiz: what actually fights gray hair?
Nov 5, 2026 4:01 AM
Last day. It's finally dying... 💀
Nov 4, 2026 5:30 AM
Nov 3, 2026 1:00 PM
90 days on Gray Escape: the before & after
Nov 2, 2026 5:00 AM
Scarier than gray hair? Doing NOTHING about it
Nov 1, 2026 12:05 PM
Happy Halloween. Don't snooze on this 🎃
Oct 31, 2026 5:00 AM
Gray hair FAQs: you asked, we answered
Oct 30, 2026 7:02 AM
🟠 Limited Codes Available: 60% OFF
Oct 29, 2026 8:29 AM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 25, 2026.











