What’s Actually In This?

Preview text: Every ingredient has a job

Poseidon Hair

Saturday, Oct 10, 2026 at 5:01 AM EasternKlaviyo

Poseidon HairWhat’s Actually In This?

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What’s Actually In This? - email from Poseidon Hair

Using this email in an article? Credit: Poseidon Hair email via They Sent It, with a link to this page. Full-size image

Subject: What’s Actually In This?
Preview text: Every ingredient has a job
From: gavin@poseidonhair.com
Brand: Poseidon Hair
ESP: Klaviyo
Sent: Sat Oct 10, 2026, 5:01 AM ET
Size: 68 KB
Images: 11
Links: 13, 5 of them buttons
Subject length: 24 characters

Against Poseidon Hair's usual

Sent in the 5 AM hour, which holds 11% of its emails; 13% arrive in the 7 AM hour. The subject is 24 characters; its average is 20.

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: Poseidon Hair <[email protected]>
Subject: What’s Actually In This?
Date: Sat, 10 Oct 2026 09:01:34 +0000
Message-ID domain: klaviyomail.com
Return-Path domain: k3.send.poseidonhair.com
DKIM signature: d=shared.klaviyomail.com s=def1; d=send.poseidonhair.com s=mtd1
List-Unsubscribe: Present, one-click

Servers it passed through, newest first

from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP

Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse

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Sent just before and after

	Oct 17, 2026 5:00 AM	You’re Probably Using Too Much
	Oct 15, 2026 8:14 PM	Build Your Setup
	Oct 13, 2026 8:12 PM	You’re In 👋
	Oct 10, 2026 5:01 AM	What’s Actually In This? (this email)
	Oct 7, 2026 9:29 AM	15% OFF TODAY ONLY
	Oct 6, 2026 9:27 AM	Quick Heads Up
	Oct 5, 2026 9:26 AM	What The Spray Does