The cornerstone of skin longevity
Preview text: Our best-selling serum

Use this example
- Subject
- The cornerstone of skin longevity
- Preview text
- Our best-selling serum
- From
- concierge@
elmbiosciences.com - Brand
- Elm Biosciences
- ESP
- Klaviyo
- Sent
- Sat Sep 12, 2026, 8:00 AM ET
- Size
- 69 KB
- Images
- 9
- Links
- 11, 5 of them buttons
- Subject length
- 33 characters
Against Elm Biosciences's usual
Sent in its busiest hour, 8 AM, which holds 59% of its emails. The subject is 33 characters; its average is 30.
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
- Elm Biosciences <[email protected]>
- Subject
- The cornerstone of skin longevity
- Date
- Sat, 12 Sep 2026 12:00:19 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.elmbiosciences.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.elmbiosciences.com s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP
Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Sep 17, 2026 8:04 AM | Award-winning night cream | |
| Sep 16, 2026 8:04 AM | Our Best Serum, Awarded by Oprah | |
| Sep 15, 2026 10:45 AM | GLP-1 skin changes? | |
| Sep 12, 2026 8:00 AM | The cornerstone of skin longevity (this email) | |
| Sep 9, 2026 8:02 AM | Last chance: over 40% off | |
| Sep 8, 2026 8:01 AM | Ending soon: over 40% off | |
| Sep 6, 2026 8:00 AM | Still time to shop 40% off |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Sep 12, 2026.









