Menopause changes your collagen. Here's what to do about it.
Preview text: Skin, joints, bones: the science, explained simply.
Using this email in an article? Credit: Proto-col email via They Sent It, with a link to this page. Full-size image
- Subject
- Menopause changes your collagen. Here's what to do about it.
- Preview text
- Skin, joints, bones: the science, explained simply.
- From
- hello@
proto-col.com - Brand
- Proto-col
- ESP
- Klaviyo
- Sent
- Mon Oct 12, 2026, 5:00 AM ET
- Sent to
- United Kingdom (proto-col.co.uk), proto-col.com
- Size
- 75 KB
- Images
- 16
- Links
- 20, 8 of them buttons
- Subject length
- 60 characters
Against Proto-col's usual
Sent in its busiest hour, 5 AM, which holds 43% of its emails. The subject is 60 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
- Menopause changes your collagen. Here's what to do about it.
- Date
- Mon, 12 Oct 2026 09:00:36 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-11
- 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
- by recvd-…-hbbml with SMTP
- from (unnamed) by geopod-ismtpd-11 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 15, 2026 10:18 AM | Proto-Col vous souhaite la bienvenue ! Votre réduction spéciale de 10 % vous attend... | |
| Oct 14, 2026 12:30 PM | Three months of visible skin, hair & nail support | |
| Oct 13, 2026 1:43 AM | Welcome to Proto-Col! 💜 | |
| Oct 12, 2026 5:00 AM | Menopause changes your collagen. Here's what to do about it. (this email) | |
| Oct 9, 2026 5:00 AM | How to look after your knees. | |
| Oct 1, 2026 8:47 AM | Your saved products are about to expire! | |
| Oct 1, 2026 5:00 AM | Offer of the week: |
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Same ESP and the closest weekly volume, sent on Oct 12, 2026.
