Four vitamin C formulas. pick by skin.
Preview text: One for starting out, one for more, one for sensitive skin.

Using this email in an article? Credit: SKIN functional email via They Sent It, with a link to this page. Full-size image
- Subject
- Four vitamin C formulas. pick by skin.
- Preview text
- One for starting out, one for more, one for sensitive skin.
- From
- customerservice@
skinfunctional.com - Brand
- SKIN functional
- ESP
- Klaviyo
- Sent
- Mon Oct 19, 2026, 2:14 AM ET
- Size
- 75 KB
- Images
- 18
- Links
- 24, 7 of them buttons
- Subject length
- 38 characters
Against SKIN functional's usual
Sent in the 2 AM hour, which holds 15% of its emails; 36% arrive in the 4 AM hour. The subject is 38 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
- SKIN functional <[email protected]>
- Subject
- Four vitamin C formulas. pick by skin.
- Date
- Mon, 19 Oct 2026 06:14:05 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-44
- Return-Path domain
- send.skinfunctional.com
- DKIM signature
- d=skinfunctional.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-7xfmc with SMTP
- from (unnamed) by geopod-ismtpd-44 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
| Oct 22, 2026 4:06 AM | This is what progress looks like… | |
| Oct 21, 2026 1:41 AM | Tranexamic, then arbutin, then SPF. | |
| Oct 20, 2026 4:05 AM | What Makes SKIN functional Different | |
| Oct 19, 2026 2:14 AM | Four vitamin C formulas. pick by skin. (this email) | |
| Oct 16, 2026 1:45 AM | Red, reactive, and not sure why. | |
| Oct 15, 2026 1:38 AM | Proof your skin can change | |
| Oct 14, 2026 1:37 AM | Skin goals? Let’s get started |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 19, 2026.











