Kosas emails
Kosas sends about 2 emails a week through Klaviyo, most often on Wednesday around 11 AM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 2
- Busiest send time
- Wednesdays at 11am ET
- Last sent
- Yesterday · Nov 1
- Tracked since
- Mar 2026
- Emails collected
- 50
- Website popularity
- Top 500,000 sites
Recent emails
Nov 1, 2026 12:06 PM
New full-size gift just landed
Oct 28, 2026 3:30 PM
Lashes, liner + brow, all in one set
Oct 21, 2026 9:15 AM
The skincare set worth gifting
Oct 18, 2026 8:15 PM
Every makeup base needs this mini gift
Oct 16, 2026 7:15 PM
Dream complexion routine + the cutest makeup case
Oct 14, 2026 9:15 PM
Holiday exclusives you can only get here
Recent subject lines
All subject linesSubject lines average 33 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Nov 1, 2026 12:06 PM | New full-size gift just landed | In our #1 shade | |
| Oct 28, 2026 3:30 PM | Lashes, liner + brow, all in one set | Line, swipe, fluff | |
| Oct 21, 2026 9:15 AM | The skincare set worth gifting | Dreamy 2-step prep + a FREE makeup case | |
| Oct 18, 2026 8:15 PM | Every makeup base needs this mini gift | It’s concealer, it’s eye cream, it’s free | |
| Oct 16, 2026 7:15 PM | Dream complexion routine + the cutest makeup case | 20% off, only on kosas.com | |
| Oct 14, 2026 9:15 PM | Holiday exclusives you can only get here | Only here, only for the holidays | |
| Aug 4, 2026 11:45 PM | Loose powder loves this gift | Soft velvet, seamless finish | |
| Jul 29, 2026 5:05 PM | Hurry! This free gift is running out | You'll take it everywhere |
Archive
View full archiveOctober 2026 5 emails
View allLashes, liner + brow, all in one set
Oct 28, 2026 3:30 PM
The skincare set worth gifting
Oct 21, 2026 9:15 AM
Every makeup base needs this mini gift
Oct 18, 2026 8:15 PM
Dream complexion routine + the cutest makeup case
Oct 16, 2026 7:15 PM
Holiday exclusives you can only get here
Oct 14, 2026 9:15 PM
When Kosas sends
14% of its emails arrive in the 11 AM hour, with a second, smaller wave around 2 PM. Wednesdays 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| Tue | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 |
| Wed | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
| Thu | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 |
| Fri | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| Sat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| Sun | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1a | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5a | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 6a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9a | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 10a | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 11a | 0 | 2 | 2 | 1 | 2 | 0 | 0 |
| 12p | 0 | 0 | 0 | 1 | 2 | 0 | 1 |
| 1p | 0 | 0 | 1 | 2 | 0 | 0 | 0 |
| 2p | 0 | 3 | 1 | 0 | 0 | 2 | 0 |
| 3p | 0 | 1 | 1 | 1 | 0 | 2 | 0 |
| 4p | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| 5p | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
| 6p | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7p | 1 | 1 | 0 | 0 | 1 | 0 | 1 |
| 8p | 0 | 1 | 0 | 0 | 1 | 0 | 1 |
| 9p | 0 | 0 | 1 | 1 | 0 | 1 | 0 |
| 10p | 0 | 1 | 0 | 2 | 0 | 0 | 0 |
| 11p | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
FewerMore(busiest cell: 3 emails)
Based on 50 emails received from Mar 18 to Nov 1, 2026. Times in US Eastern. How we collect · When all brands send
How often Kosas sends
Complete months have run between 8 and 12 emails. September was not collected, so it is drawn as a gap and left out.
- Busiest month
- Jun 2026, 12
- Quietest month
- Apr 2026, 8
- Busiest day
- Wednesday, 12
- Quietest day
- Monday, 2
About Kosas
- ESP
- Klaviyo
- Website popularity (CrUX)
- Top 500,000 sites
- Tracked since
- Mar 2026
- Emails collected
- 50
- Emails a week
- about 2
- Last sent
- Nov 1, 2026
- Sends from
- letschat@
kosas.com - Subject length
- 33 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 | |
|---|---|---|---|---|---|---|---|
 14th Night14thnight.com | Klaviyo | about 2 | Thursday | Oct 30, 2026 | Klaviyo · about 2 a week · busiest Thursday · last sent Oct 30, 2026 | ||
 21Captains21captains.com | Klaviyo | about 2 | Tuesday | Nov 1, 2026 | Klaviyo · about 2 a week · busiest Tuesday · last sent Nov 1, 2026 | ||
 27 Boutique27boutique.com | Klaviyo | about 2 | Wednesday | Oct 31, 2026 | Klaviyo · about 2 a week · busiest Wednesday · last sent Oct 31, 2026 |
