Are you using the right serum?
Preview text: Find the formula that matches what your skin needs

Using this email in an article? Credit: Joanna Czech email via They Sent It, with a link to this page. Full-size image
- Subject
- Are you using the right serum?
- Preview text
- Find the formula that matches what your skin needs
- From
- concierge@
joannaczech.com - Brand
- Joanna Czech
- ESP
- Klaviyo
- Sent
- Tue Sep 22, 2026, 3:45 PM ET
- Sent to
- joannaczech.com
- Size
- 65 KB
- Images
- 24
- Links
- 26, 2 of them buttons
- Subject length
- 30 characters
Against Joanna Czech's usual
Sent in the 3 PM hour, which holds 10% of its emails; 30% arrive in the 10 AM hour. The subject is 30 characters; its average is 35.
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
- Joanna Czech <[email protected]>
- Subject
- Are you using the right serum?
- Date
- Tue, 22 Sep 2026 19:45:12 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-55
- Return-Path domain
- send.joannaczech.com
- DKIM signature
- d=joannaczech.com s=s1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-r9ffd with SMTP
- from (unnamed) by geopod-ismtpd-55 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
Sent just before and after
| Sep 28, 2026 3:30 PM | Don't stop at your jawline | |
| Sep 26, 2026 10:00 AM | Why is my skin so red? | |
| Sep 24, 2026 3:30 PM | Great skin is usually boring | |
| Sep 22, 2026 3:45 PM | Are you using the right serum? (this email) | |
| Sep 18, 2026 3:45 PM | A gift from Joanna Czech—ends Oct. 17 | |
| Sep 16, 2026 2:30 PM | Is your skin tired? | |
| Sep 14, 2026 2:45 PM | Fall Is Almost Here. Is Your Skin Ready? |
More from Joanna Czech
All Joanna Czech emailsYour skincare is good. But is the order wrong?
Nov 7, 2026 10:01 AM
When your skincare stops working for you
Nov 5, 2026 10:01 AM
Nov 3, 2026 10:00 AM
Oct 30, 2026 10:00 AM
Our #1 Bestseller is coming back. Get yours first.
Oct 28, 2026 10:01 AM
Introducing Joanna Czech Body Care
Oct 27, 2026 10:01 AM
The ones you'll want to reorder
Oct 24, 2026 10:01 AM
Why won't those dark spots go away?
Oct 22, 2026 12:01 PM







