iS Clinical emails
iS Clinical sends about 2 emails a week through Klaviyo, most often on Monday around 12 PM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 2
- Busiest send time
- Mondays at 12pm ET
- Last sent
- Today · Oct 30
- Tracked since
- Mar 2026
- Emails collected
- 80
Recent emails
Oct 30, 2026 12:10 PM
Don't Miss Out: Limited-edition Holiday Sets
Oct 27, 2026 5:30 PM
Still thinking about it?
Oct 27, 2026 12:30 PM
Last Chance: Give Back to the National Breast Cancer Coalition
Oct 20, 2026 9:04 AM
Why Customers Love Daily Active Smoothing Toner
Oct 15, 2026 9:03 AM
Happy National Esthetician Day + Free Gift Inside
Oct 12, 2026 9:06 AM
Find Your Perfect Step 1 Routine + Free Gift Inside
Recent subject lines
All subject linesSubject lines average 40 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 30, 2026 12:10 PM | Don't Miss Out: Limited-edition Holiday Sets | Save up to 27% on gift-ready favorites for everyone on your list | |
| Oct 27, 2026 5:30 PM | Still thinking about it? | The formula that caught your eye is worth a second look. | |
| Oct 27, 2026 12:30 PM | Last Chance: Give Back to the National Breast Cancer Coalition | We're donating 100% of profits of Poly-Vitamin Serum | |
| Oct 20, 2026 9:04 AM | Why Customers Love Daily Active Smoothing Toner | Gentle exfoliation is getting glowing reviews | |
| Oct 15, 2026 9:03 AM | Happy National Esthetician Day + Free Gift Inside | Last day: Free Vitamin C Serum with $225+ Purchase | |
| Oct 12, 2026 9:06 AM | Find Your Perfect Step 1 Routine + Free Gift Inside | Don't Miss Out: Free Vitamin C Serum with $225+ Purchase | |
| Oct 9, 2026 12:04 PM | Join us in making a difference this October | Shop with purpose: Support the National Breast Cancer Coalition | |
| Oct 6, 2026 11:29 AM | Free Super Serum ADVANCE+ Gift with Purchase | A routine upgrade, free with your $225+ purchase |
Archive
View full archiveOctober 2026 11 emails
View allJoin us in making a difference this October
Oct 9, 2026 12:04 PM
Free Super Serum ADVANCE+ Gift with Purchase
Oct 6, 2026 11:29 AM
20th Anniversary of Fire & Ice Facial
Oct 5, 2026 6:00 PM
Behind the Glow at Chloé & Isabel Marant
Oct 5, 2026 1:39 PM
Just arrived: Limited-edition Holiday Sets
Oct 1, 2026 11:46 AM
September 2026 10 emails
View allFinal Hours: Free 3-pc. skincare set with purchase ($112 value)
Sep 30, 2026 9:01 AM
How to get better results from your regimen
Sep 28, 2026 3:01 PM
Daily exfoliation for enhanced routine results + FREE $112 Value Gift Set
Sep 22, 2026 12:02 PM
For a limited time only: Free deluxe gift set with purchase
Sep 19, 2026 9:01 AM
Just Launched: Daily Exfoliating Toner + Free $112 Value Gift
Sep 17, 2026 12:03 PM
Just Launched: Daily Exfoliating Toner + Free $112 Value Gift
Sep 16, 2026 12:00 PM
New: Meet the must-have addition to your routine
Sep 10, 2026 9:05 AM
Limited Time: Free $112 Gift with $225+ Purchase
Sep 7, 2026 11:17 AM
New: Free gift set with purchase ($112 value)
Sep 3, 2026 12:06 PM
Now Available: Daily Active Smoothing Toner + Gift with Purchase
Sep 1, 2026 2:18 PM
When iS Clinical sends
30% of its emails arrive in the 12 PM hour, with a second, smaller wave around 9 AM. Mondays 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 | 0 | 0 | 0 | 0 | 4 | 0 | 3 | 4 | 1 | 0 | 3 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 0 |
| Tue | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 8 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wed | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Thu | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 5 | 5 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| Fri | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 4 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sat | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sun | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2a | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 3a | 1 | 0 | 0 | 0 | 1 | 1 | 0 |
| 4a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5a | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 6a | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 7a | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 8a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9a | 4 | 2 | 2 | 3 | 2 | 2 | 1 |
| 10a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11a | 3 | 1 | 4 | 5 | 0 | 1 | 0 |
| 12p | 4 | 8 | 2 | 5 | 4 | 1 | 0 |
| 1p | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2p | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
| 3p | 3 | 1 | 0 | 0 | 1 | 0 | 0 |
| 4p | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 5p | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 6p | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
| 7p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8p | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
FewerMore(busiest cell: 8 emails)
Based on 80 emails received from Mar 16 to Oct 30, 2026. Times in US Eastern. How we collect · When all brands send
How often iS Clinical sends
Complete months have run between 7 and 15 emails.
- Busiest month
- May 2026, 15
- Quietest month
- Aug 2026, 7
- Busiest day
- Monday, 21
- Quietest day
- Sunday, 1
About iS Clinical
- ESP
- Klaviyo
- Tracked since
- Mar 2026
- Emails collected
- 80
- Emails a week
- about 2
- Last sent
- Oct 30, 2026
- Sends from
- updates@
isclinical.com - Subject length
- 40 characters avg
Counts include automated emails such as a welcome series.
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 3D-Fuel3dfuel.com · Top 1 million sites | Klaviyo | Top 1 million sites | about 2 | Thursday | Oct 29, 2026 | Klaviyo · about 2 a week · busiest Thursday · last sent Oct 29, 2026 | |
 686686.com · Top 500,000 sites | Klaviyo | Top 500,000 sites | about 2 | Thursday | Oct 29, 2026 | Klaviyo · about 2 a week · busiest Thursday · last sent Oct 29, 2026 | |
 3rd Planet Products3rdplanetproducts.com | Klaviyo | about 2 | Friday | Oct 30, 2026 | Klaviyo · about 2 a week · busiest Friday · last sent Oct 30, 2026 |
