Your 50% off ends tomorrow!

Preview text: Your routine, upgraded.

Proto-colMonday, May 25, 2026 at 5:00 AM EasternKlaviyo
Proto-colYour 50% off ends tomorrow!
Subject
Your 50% off ends tomorrow!
Preview text
Your routine, upgraded.
From
hello@proto-col.com
Sent
Mon May 25, 2026, 5:00 AM ET
Sent to
United Kingdom (proto-col.co.uk), proto-col.com
Size
76 KB
Images
18
Links
24, 11 of them buttons
Subject length
27 characters

Against Proto-col's usual

Sent in its busiest hour, 5 AM, which holds 43% of its emails. The subject is 27 characters; its average is 38.

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From
Proto-col <[email protected]>
Subject
Your 50% off ends tomorrow!
Date
Mon, 25 May 2026 09:00:43 +0000 (UTC)
Message-ID domain
geopod-ismtpd-50
Return-Path domain
engage.proto-col.com
DKIM signature
d=proto-col.com s=kl2
List-Unsubscribe
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  1. from o1281.shared.klaviyomail.com [167.89.72.23] by our receiving server with ESMTPS
  2. by recvd-canary-…-b5w7r with SMTP
  3. from (unnamed) by geopod-ismtpd-50 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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Sent just before and after

May 30, 2026 5:00 AMAre you taking the right collagen for your goal?
May 28, 2026 12:00 PMUnlock your energy with hydration
May 26, 2026 3:00 AM50% off a routine upgrade ends TODAY!
May 25, 2026 5:00 AMYour 50% off ends tomorrow! (this email)
May 22, 2026 5:30 AMYour routine, upgraded. 50% off for this weekend only.
May 19, 2026 12:00 PMWhat your hair is trying to tell you
May 16, 2026 5:00 AMDiscover Complete Collagen today 💜

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