Discover Complete Collagen today ๐
Preview text: Support your body differently today.
No image available for this email.
- Subject
- Discover Complete Collagen today ๐
- Preview text
- Support your body differently today.
- From
- hello@
proto-col.com - Brand
- Proto-col
- ESP
- Klaviyo
- Sent
- Sat May 16, 2026, 5:00 AM ET
- Sent to
- United Kingdom (proto-col.co.uk), proto-col.com
- Size
- 72 KB
- Images
- 15
- Links
- 18, 8 of them buttons
- Subject length
- 35 characters
Against Proto-col's usual
Sent in its busiest hour, 5 AM, which holds 43% of its emails. The subject is 35 characters; its average is 38.
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
- Proto-col <[email protected]>
- Subject
- Discover Complete Collagen today ๐
- Date
- Sat, 16 May 2026 09:00:17 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-35
- 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 o1384.shared.klaviyomail.com [149.72.156.203] by our receiving server with ESMTPS
- by recvd-โฆ-qvhhd with SMTP
- from (unnamed) by geopod-ismtpd-35 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
| May 25, 2026 5:00 AM | Your 50% off ends tomorrow! | |
| May 22, 2026 5:30 AM | Your routine, upgraded. 50% off for this weekend only. | |
| May 19, 2026 12:00 PM | What your hair is trying to tell you | |
| May 16, 2026 5:00 AM | Discover Complete Collagen today ๐ (this email) | |
| May 14, 2026 5:00 AM | Strengthen Your Routine with Osteo+ | |
| May 12, 2026 12:02 PM | 15 ingredients. One daily step. | |
| May 9, 2026 12:03 PM | Time to say goodbye? |
More from Proto-col
All Proto-col emailsYour saved products are about to expire!
Nov 2, 2026 7:47 AM
Nov 1, 2026 9:47 AM
Cushion your knees, hips and shoulders
Nov 1, 2026 4:01 AM
Your discount is about to expire!
Oct 27, 2026 7:04 PM
Your saved products are about to expire!
Oct 25, 2026 10:09 PM
Oct 25, 2026 12:09 AM
Discover how we're making a difference...
Oct 24, 2026 7:03 PM
Oct 22, 2026 6:47 AM







