The problem with most vitamin C serums
Preview text: It starts every time you open the bottle.
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- Subject
- The problem with most vitamin C serums
- Preview text
- It starts every time you open the bottle.
- From
- hello@
kayuraeffect.com - Brand
- Kayura
- ESP
- Klaviyo
- Sent
- Tue May 12, 2026, 11:10 AM ET
- Size
- 30 KB
- Images
- 7
- Links
- 8, 1 of them buttons
- Subject length
- 38 characters
Against Kayura's usual
Sent in the 11 AM hour, which holds 6% of its emails; 24% arrive in the 8 AM hour. The subject is 38 characters; its average is 36.
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
- KAYURA <[email protected]>
- Subject
- The problem with most vitamin C serums
- Date
- Tue, 12 May 2026 15:10:14 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.kayuraeffect.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.kayuraeffect.com s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from kl-203-20-33.kmta.shared.klaviyomail.com [170.203.20.33] by our receiving server with ESMTPS
- 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
| May 15, 2026 9:15 AM | One last chance to ask the dermatologist | |
| May 14, 2026 12:49 PM | Let’s stop taking skincare advice from the internet | |
| May 13, 2026 11:14 AM | Skincare questions? Ask the expert | |
| May 12, 2026 11:10 AM | The problem with most vitamin C serums (this email) | |
| May 10, 2026 8:30 AM | To the women who made us who we are | |
| May 8, 2026 9:58 AM | Give her something that lasts past Sunday | |
| May 5, 2026 12:03 PM | She’s the best. This might be too. |
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