Skip to content

How does remineralization work?

Powered by nano-hydroxyapatite 💪

Nathan & Sons <[email protected]>

Other

Share
Sent with Klaviyo Sends about 3 a week All facts

Nathan & Sons promotes their Underbrush gum and Pearl Powder products, highlighting the process of remineralization and how their products can help replenish tooth enamel with nano-hydroxyapatite. The brand explains that saliva and minerals like calcium and phosphate support enamel health. They encourage customers to shop their products to support their teeth's natural repair system.

What the raw message shows

From the headers

Sent with
Klaviyo See it in the headers

Across Nathan & Sons's email

Sends
About 3 a week
DMARC
Enforced, quarantine

Mail failing authentication goes to spam.

The copy

188 words · about 1 min to read · 3 buttons

Nathan & Sons

Hey friend,

Here's something most people don't know:

Your teeth are constantly losing minerals...

And gaining them back.

That process is called remineralization.

Button TRY REMINERALIZING GUM

Underbrush gum falling out of backpack

Every time you eat or drink, the bacteria in your mouth produce acids that pull minerals out of your enamel.

Thankfully, your body has a repair system.

Saliva helps wash away those acids and delivers minerals like calcium and phosphate back to your teeth.

That's one reason chewing sugar-free gum after meals is often recommended. More chewing = more saliva = more support for your enamel.

We wanted to take that one step further.

That's why both Underbrush and Pearl Powder contain nano-hydroxyapatite.

Hydroxyapatite is the mineral your enamel is already made from. The nano-sized version is designed to help replenish the surface of your teeth.

Think of it like giving your mouth more of the building blocks it already uses.

Underbrush gum and Pearl Powder displayed on a tree stump

Your teeth are trying to repair themselves every day.

We just like giving them a little help.

Button SHOP UNDERBRUSH

Button TRY PEARL POWDER

The words as text: what a screen reader can follow, and all there is when images don't load.

What the headers say

Read from the message's own headers, as it arrived.

Came from
o1356.shared.klaviyomail.com · 167.89.1.244

Klaviyo's sending servers

SPF
Pass for k1.send.nathanandsons.com
DKIM
  • Pass signed by send.nathanandsons.com
DMARC
Pass for nathanandsons.com

Policy: quarantine

Unsubscribe
One-click

Meets the Gmail and Yahoo rule for bulk senders.

Complaints
No feedback-loop header
Show all 20 headers

As received, minus the delivery side: the archive's own addresses show as [recipient], its mail servers as [receiver], signatures are left out and unsubscribe links trimmed to their host.

Route

Received Identifies Klaviyo
from o1356.shared.klaviyomail.com (167.89.1.244) by [receiver] (cloudflare) id textR4Lq1cjG for <[recipient]>; Wed, 19 Aug 2026 04:00:53 +0000
Received
by recvd-5c74f49f69-ghtp4 with SMTP id recvd-5c74f49f69-ghtp4-1-6A852A75-15 2026-08-19 04:00:53.154517716 +0000 UTC m=+1847300.439707661
Received
from NDY0Mzg3ODk (unknown) by geopod-ismtpd-103 (SG) with HTTP id _wVDK1AaQsmZi_H574Yuxw Wed, 19 Aug 2026 04:00:53.152 +0000 (UTC)

Authentication

Received-SPF Authentication result
pass ([receiver]: domain of [recipient]@k1.send.nathanandsons.com designates 167.89.1.244 as permitted sender) receiver=[receiver]; client-ip=167.89.1.244; envelope-from="[recipient]@k1.send.nathanandsons.com"; helo=o1356.shared.klaviyomail.com;
Authentication-Results Authentication result
[receiver]; dkim=pass header.d=send.nathanandsons.com header.s=s1 header.b=xp2oKZ9J; dmarc=pass header.from=nathanandsons.com policy.dmarc=quarantine; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o1356.shared.klaviyomail.com; spf=pass ([receiver]: domain of [recipient]@k1.send.nathanandsons.com designates 167.89.1.244 as permitted sender) smtp.mailfrom=[recipient]@k1.send.nathanandsons.com; arc=none smtp.remote-ip=167.89.1.244

Platform

X-Kmail-Account
UTBCj8
X-Kmail-Message
01M08BJKTNTS2CZEZXHA3AWMT3
X-Kmail-Ops
01KWXC7GA9B3WZNW77K5ZS8765
X-SG-EID
u001.5A6G4pd7VHH3CYZ0qS3Ub3GpDK3pk5FbRJnvFpKdnml/niasmLN1J5YbpSSlwBUElRzxpdfljxAzvULDW9vt515r+V+8iAJsDYPRm6CYWq3ZHkMoG+V1DgN0C/XrpfHI2NnGLYqPYyaeQysD1nBkdv8VBJUb8izQhwppcJ5f1aRLyvq79GRAiwrDviyuKxnHidcFfdQVE9ov9QeshM5KiL3eGYJfplChP6DuUeSFgXCYnbw4RdhP/7jKUe+PSuctgPx9H8+XgqlDk6yUfx4RFg==
X-SG-ID
u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvqsbkvOyt30Pr9gYiLQ9GJnHEAQ8lWVnrqDiGd2uVd0t6AG7FX9tuidjpDWqNXlQFfpsWWKZoet9lE7LQRY37Iz4PzSr5QhANDt7thCQ4LIegXHBdoHzjrxez0pg5DIIMOUDuE2QCDBfkzJYHEOvL5ngd57/DHp3cefnaS4Kueo44yq74N3VOCNzjmHobUB3pE4zS/ZEPLFQVp7gpl7OQVaxq09rYdL8nXfrTRqhYVf1G+xIgnnlx5w502cGbv62AKH8DD3hLsPKBqIsR7/aCJfLf6Yb1M2EQCiyUGWduqJi6auWw+TWpgNYst61k3L+064OPq9Cn6JyPnWKhENPE4eA==
X-Entity-ID
u001.cRT1WUEQ2gTC52VvLnShoQ==

Unsubscribe and feedback

List-Unsubscribe
<https://manage.kmail-lists.com/…>
List-Unsubscribe-Post
List-Unsubscribe=One-Click
X-Report-Abuse
Please report any spam or abuse to: [email protected]

Message

Content-Type
multipart/alternative; boundary=3644518a7996024f6cf4b05e53fbb172bd3a40c50454fd20dfb64eeeb39f
Date
Wed, 19 Aug 2026 04:00:53 +0000 (UTC)
From
Nathan & Sons <[email protected]>
Mime-Version
1.0
Message-ID
<_wVDK1AaQsmZi_H574Yuxw@geopod-ismtpd-103>
Subject
How does remineralization work?

More from Nathan & Sons

All 32 emails
Nathan & Sons

Do you even need mouthwash?

Nathan & Sons

4 fall flavors. Can you guess them, Friend?

Nathan & Sons

Celebrate World Smile Day with us! 😊

Nathan & Sons

Why dry mouth is a problem

Similar campaigns from other brands

Different brands running the same play. Compare any of them side by side.

TheFeed.

Eating healthy doesn't guarantee absorption

Compare

Archived for reference and commentary. Nathan & Sons, its logos and content are the property of their respective owners; Inbox Archive claims no affiliation and has disabled all links. If you own this content and would like it removed, get in touch.