Complete Collagen. Your daily standard, backed by science.
Preview text: Support That Shows Inside and Out
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- Subject
- Complete Collagen. Your daily standard, backed by science.
- Preview text
- Support That Shows Inside and Out
- From
- hello@
proto-col.com - Brand
- Proto-col
- ESP
- Klaviyo
- Sent
- Sun Apr 19, 2026, 5:00 AM ET
- Sent to
- United Kingdom (proto-col.co.uk)
- Size
- 70 KB
- Images
- 16
- Links
- 20, 8 of them buttons
- Subject length
- 58 characters
Against Proto-col's usual
Sent in its busiest hour, 5 AM, which holds 43% of its emails. The subject is 58 characters; its average is 38.
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- From
- Proto-col <[email protected]>
- Subject
- Complete Collagen. Your daily standard, backed by science.
- Date
- Sun, 19 Apr 2026 09:00:16 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-14
- Return-Path domain
- engage.proto-col.com
- DKIM signature
- d=proto-col.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from o1332.shared.klaviyomail.com [167.89.102.202] by our receiving server with ESMTPS
- by recvd-…-p99fx with SMTP
- from (unnamed) by geopod-ismtpd-14 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
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| Apr 19, 2026 5:00 AM | Complete Collagen. Your daily standard, backed by science. (this email) | |
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| Apr 16, 2026 7:33 AM | We've saved these for you! | |
| Apr 16, 2026 5:00 AM | Flash 40% Off Ends Soon |
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