What does GHK-Cu actually mean?
Preview text: By 60, you make about 60% less.

Using this email in an article? Credit: Mirror Skin email via They Sent It, with a link to this page. Full-size image
- Subject
- What does GHK-Cu actually mean?
- Preview text
- By 60, you make about 60% less.
- From
- skin@
mymirrorskin.com - Brand
- Mirror Skin
- ESP
- Klaviyo
- Sent
- Wed Oct 21, 2026, 6:05 AM ET
- Size
- 52 KB
- Images
- 12
- Links
- 17, 3 of them buttons
- Subject length
- 31 characters
Against Mirror Skin's usual
Sent in the 6 AM hour, which holds 2% of its emails; 24% arrive in the 10 AM hour. The subject is 31 characters; its average is 27.
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
- MIRROR SKIN <[email protected]>
- Reply-To
- [email protected]
- Subject
- What does GHK-Cu actually mean?
- Date
- Wed, 21 Oct 2026 10:05:00 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.mymirrorskin.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.mymirrorskin.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
Sent just before and after
| Oct 29, 2026 9:54 AM | Last Chance For 15% Off 👀 | |
| Oct 28, 2026 3:38 PM | Bye-bye fine lines! 🙋♀️ | |
| Oct 28, 2026 12:05 PM | 15% Off Storewide 🤍 | |
| Oct 21, 2026 6:05 AM | What does GHK-Cu actually mean? (this email) | |
| Oct 19, 2026 4:10 AM | Skin losing its glow? | |
| Oct 18, 2026 4:08 AM | We have some good news! | |
| Oct 17, 2026 4:07 AM | "I'll never use another serum" 🙌 |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 21, 2026.











