Why dark spots are appearing now, not in July

Preview text: Delayed sun damage is normal. Here's the timeline.

Onsen SecretMonday, Sep 14, 2026 at 12:03 PM EasternKlaviyo
Onsen SecretWhy dark spots are appearing now, not in July
Subject
Why dark spots are appearing now, not in July
Preview text
Delayed sun damage is normal. Here's the timeline.
From
info@onsensecret.com
Sent
Mon Sep 14, 2026, 12:03 PM ET
Size
67 KB
Images
19
Links
26, 2 of them buttons
Subject length
45 characters

Against Onsen Secret's usual

Sent in its busiest hour, 12 PM, which holds 67% of its emails. The subject is 45 characters; its average is 34.

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
Onsen Secret <[email protected]>
Subject
Why dark spots are appearing now, not in July
Date
Mon, 14 Sep 2026 16:03:50 +0000 (UTC)
Message-ID domain
geopod-ismtpd-26
Return-Path domain
send.onsensecret.com
DKIM signature
d=onsensecret.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. by recvd-…-p4mdj with SMTP
  2. from (unnamed) by geopod-ismtpd-26 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

Report this email

Sent just before and after

Sep 21, 2026 12:05 PMThe hot-to-cold cycle your skin can't keep up with
Sep 18, 2026 12:04 PMOne soak before the busy season starts
Sep 16, 2026 12:01 PMThe real reason pores look worse indoors
Sep 14, 2026 12:03 PMWhy dark spots are appearing now, not in July (this email)
Sep 12, 2026 12:02 PMThe review that convinced us this actually works
Sep 10, 2026 12:06 PMThe nail and cuticle mistake everyone makes in September
Sep 8, 2026 12:00 PMEnds tonight: your free gift

More from Onsen Secret

All Onsen Secret emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. Unsubscribe anytime.