Why your routine might not be working...

Preview text: Discover why the right collagen can support more than just your skin.

Thursday, Aug 6, 2026 at 5:00 AM EasternKlaviyo

Proto-colWhy your routine might not be working...

Image not available

No image available for this email.

Subject: Why your routine might not be working...
Preview text: Discover why the right collagen can support more than just your skin.
From: hello@proto-col.com
Brand: Proto-col
ESP: Klaviyo
Sent: Thu Aug 6, 2026, 5:00 AM ET
Sent to: United Kingdom (proto-col.co.uk), proto-col.com
Size: 73 KB
Images: 18
Links: 23, 8 of them buttons
Subject length: 40 characters

Against Proto-col's usual

Sent in its busiest hour, 5 AM, which holds 43% of its emails. The subject is 40 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 o1346.shared.klaviyomail.com [167.89.110.66] by our receiving server with ESMTPS
by recvd-…-vhb4w with SMTP
from (unnamed) by geopod-ismtpd-103 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

	Aug 17, 2026 5:30 AM	See better results from your collagen routine
	Aug 13, 2026 5:03 AM	The collagen your body actually uses.
	Aug 8, 2026 5:01 AM	Which collagen is right for you?
	Aug 6, 2026 5:00 AM	Why your routine might not be working... (this email)
	Aug 2, 2026 5:00 AM	Start August Differently.
	Jul 30, 2026 4:00 AM	Why Vitamin D3 works better with K2
	Jul 27, 2026 4:00 AM	Only 2 Hours: Grab 40% Off Sitewide Now!