K18Hair emails
K18Hair sends about 7 emails a week through Klaviyo, most often on Sunday around 3 PM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 7
- Busiest send time
- Sundays at 3pm ET
- Last sent
- Today · Nov 1
- Tracked since
- Mar 2026
- Emails collected
- 221
- Website popularity
- Top 500,000 sites
Recent emails
Nov 1, 2026 6:17 PM
save 10% on healthy hair
Oct 31, 2026 4:02 AM
🔴 STOP covering up hair damage
Oct 30, 2026 7:38 PM
save 10% on healthy hair
Oct 30, 2026 7:16 PM
your hair’s dream = K18
Oct 30, 2026 4:01 PM
is your hair length stuck?
Oct 29, 2026 9:03 PM
soft, smooth hair starts in the shower
Recent subject lines
All subject linesSubject lines average 36 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Nov 1, 2026 6:17 PM | save 10% on healthy hair | Power your routine for less | |
| Oct 31, 2026 4:02 AM | 🔴 STOP covering up hair damage | This is how the K18 Peptide repairs hair in just 4-minutes! | |
| Oct 30, 2026 7:38 PM | save 10% on healthy hair | Power your routine for less | |
| Oct 30, 2026 7:16 PM | your hair’s dream = K18 | See how molecular repair works | |
| Oct 30, 2026 4:01 PM | is your hair length stuck? | find out why your hair is struggling to grow? | |
| Oct 30, 2026 5:30 AM | soft, smooth hair starts in the shower | Stock up with 2x more in every bottle (£73) | |
| Oct 29, 2026 9:03 PM | soft, smooth hair starts in the shower | Stock up with 2x more in every bottle ($73 value) | |
| Oct 29, 2026 2:54 AM | ending soon: 10% off for soft, strong, bouncy hair | The results you’ve been looking for are this way |
Archive
View full archiveOctober 2026 59 emails
View all🔴 STOP covering up hair damage
Oct 31, 2026 4:02 AM
Oct 30, 2026 7:38 PM
Oct 30, 2026 7:16 PM
Oct 30, 2026 4:01 PM
soft, smooth hair starts in the shower
Oct 29, 2026 9:03 PM
ending soon: 10% off for soft, strong, bouncy hair
Oct 29, 2026 2:54 AM
Ready for your healthiest hair?
Oct 28, 2026 10:26 PM
Oct 28, 2026 7:37 PM
love K18? get rewarded for healthy hair!
Oct 28, 2026 7:15 PM
meet TIME's best invention of 2026
Oct 28, 2026 4:00 PM
Oct 28, 2026 6:52 AM
⭐ [LAST CHANCE] Here's 10% Off Your First Order! ⭐
Oct 28, 2026 4:02 AM
![⭐ [LAST CHANCE] Here's 10% Off Your First Order! ⭐ - email from K18Hair](https://img.theysentit.com/k18hair/5873938.t.jpg)
When K18Hair sends
15% of its emails arrive in the 3 PM hour, with a second, smaller wave around 5 AM. Sundays are the busiest day.
| 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 0 | 0 | 0 | 1 | 0 | 4 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 5 | 6 | 2 | 0 | 1 | 3 | 2 | 0 | 1 | 1 |
| Tue | 1 | 0 | 2 | 1 | 0 | 3 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 2 | 4 | 3 | 2 | 2 | 1 |
| Wed | 0 | 1 | 0 | 1 | 1 | 4 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | 2 | 4 | 4 | 2 | 0 | 3 | 5 | 0 | 1 | 1 | 0 |
| Thu | 1 | 0 | 1 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 2 | 1 | 0 | 4 | 2 | 1 | 0 | 0 |
| Fri | 0 | 0 | 1 | 0 | 0 | 3 | 1 | 11 | 0 | 2 | 1 | 0 | 0 | 2 | 2 | 4 | 3 | 0 | 2 | 4 | 1 | 0 | 1 | 2 |
| Sat | 1 | 0 | 1 | 1 | 1 | 7 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 5 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
| Sun | 0 | 1 | 1 | 0 | 1 | 4 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 3 | 9 | 11 | 6 | 0 | 2 | 0 | 1 | 0 | 1 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 1 | 0 | 1 | 0 | 1 | 0 |
| 1a | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| 2a | 0 | 2 | 0 | 1 | 1 | 1 | 1 |
| 3a | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
| 4a | 0 | 0 | 1 | 0 | 0 | 1 | 1 |
| 5a | 4 | 3 | 4 | 4 | 3 | 7 | 4 |
| 6a | 1 | 0 | 1 | 0 | 1 | 0 | 0 |
| 7a | 1 | 4 | 3 | 1 | 11 | 0 | 2 |
| 8a | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 9a | 0 | 0 | 0 | 0 | 2 | 0 | 0 |
| 10a | 1 | 0 | 1 | 0 | 1 | 1 | 1 |
| 11a | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
| 12p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1p | 1 | 1 | 2 | 0 | 2 | 1 | 3 |
| 2p | 5 | 0 | 4 | 1 | 2 | 0 | 9 |
| 3p | 6 | 2 | 4 | 2 | 4 | 5 | 11 |
| 4p | 2 | 1 | 2 | 2 | 3 | 0 | 6 |
| 5p | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
| 6p | 1 | 2 | 3 | 0 | 2 | 0 | 2 |
| 7p | 3 | 4 | 5 | 4 | 4 | 2 | 0 |
| 8p | 2 | 3 | 0 | 2 | 1 | 0 | 1 |
| 9p | 0 | 2 | 1 | 1 | 0 | 0 | 0 |
| 10p | 1 | 2 | 1 | 0 | 1 | 1 | 1 |
| 11p | 1 | 1 | 0 | 0 | 2 | 0 | 0 |
FewerMore(busiest cell: 11 emails)
Based on 221 emails received from Mar 16 to Nov 1, 2026. Times in US Eastern. How we collect · When all brands send
How often K18Hair sends
Complete months have run between 14 and 59 emails.
- Busiest month
- Oct 2026, 59
- Quietest month
- May 2026, 14
- Busiest day
- Sunday, 43
- Quietest day
- Thursday, 21
About K18Hair
- ESP
- Klaviyo
- Sites
- k18hair.com, k18hair.ca, k18hair.co.uk, k18hair.com.au, k18hair.ie
- Website popularity (CrUX)
- Top 500,000 sites
- Tracked since
- Mar 2026
- Emails collected
- 221
- Emails a week
- about 7
- Last sent
- Nov 1, 2026
- Sends from
- hello@
k18hair.com - Subject length
- 36 characters avg
Counts include automated emails such as a welcome series. Website popularity is the bracket the brand's site falls in by visits, from Google's public Chrome UX Report (CrUX).
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 7th Manna7thmanna.com | Klaviyo | about 7 | Monday | Oct 17, 2026 | Klaviyo · about 7 a week · busiest Monday · last sent Oct 17, 2026 | ||
 Active Resetactive-reset.com | Klaviyo | about 7 | Monday | Oct 19, 2026 | Klaviyo · about 7 a week · busiest Monday · last sent Oct 19, 2026 | ||
| ( plated ) Skin Scienceplatedskinscience.com | Klaviyo | about 7 | Thursday | Oct 29, 2026 | Klaviyo · about 7 a week · busiest Thursday · last sent Oct 29, 2026 |
