K18Hair subject lines
230 subject lines averaging 36 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Oct 18, 2026 2:31 AM | Your 10% off is waiting for you 👀 | 34 | Save on your healthiest hair | Oct 18, 2026 2:31 AM · 34 characters. Save on your healthiest hair | |
| Oct 16, 2026 11:34 PM | ❤️ You're 4-minutes away from healthy hair | 41 | we're science-backed, baby | Oct 16, 2026 11:34 PM · 41 characters. we're science-backed, baby | |
| Oct 16, 2026 10:32 PM | ⭐ Welcome, Here's 10% Off Your First Order! | 44 | Awesome, you're in! Here's a coupon for 10% off your first order... | Oct 16, 2026 10:32 PM · 44 characters. Awesome, you're in! Here's a coupon for 10% off your first order... | |
| Oct 16, 2026 7:08 PM | when should I use K18? 🤔 — plus 10% off | 41 | Reach your hair goals faster with this quick routine guide | Oct 16, 2026 7:08 PM · 41 characters. Reach your hair goals faster with this quick routine guide | |
| Oct 16, 2026 6:06 AM | Kardashian Approved! ❤️ | 23 | For all hair types, for every generation! | Oct 16, 2026 6:06 AM · 23 characters. For all hair types, for every generation! | |
| Oct 15, 2026 8:15 PM | 2x the repair, 2x the good hair days | 36 | Here’s why you need the jumbo mask ($150 value) | Oct 15, 2026 8:15 PM · 36 characters. Here’s why you need the jumbo mask ($150 value) | |
| Oct 15, 2026 5:36 AM | when should I use K18? 🤔 — plus 10% off | 41 | Reach your hair goals faster with this quick routine guide | Oct 15, 2026 5:36 AM · 41 characters. Reach your hair goals faster with this quick routine guide | |
| Oct 14, 2026 7:07 PM | 10% off—our treat 🎁 | 20 | Welcome to the world of K18 | Oct 14, 2026 7:07 PM · 20 characters. Welcome to the world of K18 | |
| Oct 13, 2026 7:45 PM | what are the first signs of hair aging? do scalp massages actually work? | 73 | Dermatologist Dr. Sheila Farhang answers all your top questions | Oct 13, 2026 7:45 PM · 73 characters. Dermatologist Dr. Sheila Farhang answers all your top questions | |
| Oct 13, 2026 5:35 AM | 10% off—our treat 🎁 | 20 | Welcome to the world of K18 | Oct 13, 2026 5:35 AM · 20 characters. Welcome to the world of K18 | |
| Oct 13, 2026 12:42 AM | Welcome to K18, here's 10% off | 30 | Discover the biology-first difference | Oct 13, 2026 12:42 AM · 30 characters. Discover the biology-first difference | |
| Oct 12, 2026 3:00 PM | Get FREE shipping before it's gone✨ | 36 | Code inside - don't miss out | Oct 12, 2026 3:00 PM · 36 characters. Code inside - don't miss out | |
| Oct 11, 2026 4:10 PM | having trouble sticking to a new habit? | 39 | Here's the secret, according to science | Oct 11, 2026 4:10 PM · 39 characters. Here's the secret, according to science | |
| Oct 11, 2026 3:03 PM | Hurry! FREE shipping ends tomorrow! | 35 | Code inside - limited time only | Oct 11, 2026 3:03 PM · 35 characters. Code inside - limited time only | |
| Oct 9, 2026 8:45 PM | take clean hair on the go | 25 | Don't let dirty hair dull your plans | Oct 9, 2026 8:45 PM · 25 characters. Don't let dirty hair dull your plans | |
| Oct 9, 2026 7:15 AM | Free Shipping ALL Weekend 🙌 | 28 | We bet you’ll want in on this | Oct 9, 2026 7:15 AM · 28 characters. We bet you’ll want in on this | |
| Oct 7, 2026 9:44 PM | ending soon: 10% off for soft, strong, bouncy hair | 50 | The results you’ve been looking for are this way | Oct 7, 2026 9:44 PM · 50 characters. The results you’ve been looking for are this way | |
| Oct 7, 2026 1:42 AM | 10% off everything you need | 27 | Ready for your healthiest hair? | Oct 7, 2026 1:42 AM · 27 characters. Ready for your healthiest hair? | |
| Oct 6, 2026 9:25 PM | prime day deal: 25% off wash care, AstroLift + HeatBounce | 57 | This week only | Oct 6, 2026 9:25 PM · 57 characters. This week only | |
| Sep 30, 2026 6:14 PM | ending soon: 10% off for soft, strong, bouncy hair | 50 | The results you’ve been looking for are this way | Sep 30, 2026 6:14 PM · 50 characters. The results you’ve been looking for are this way | |
| Sep 30, 2026 2:45 PM | what do 19,000 hairs look like? | 31 | Let's talk numbers | Sep 30, 2026 2:45 PM · 31 characters. Let's talk numbers | |
| Sep 29, 2026 10:12 PM | 10% off everything you need | 27 | Ready for your healthiest hair? | Sep 29, 2026 10:12 PM · 27 characters. Ready for your healthiest hair? | |
| Sep 29, 2026 8:20 PM | daily or weekly? here's your full K18 guide | 43 | What to use and when to use it | Sep 29, 2026 8:20 PM · 43 characters. What to use and when to use it | |
| Sep 28, 2026 3:00 PM | Don't miss out: 15% OFF 💜 | 26 | Ends at Midnight - discount code inside | Sep 28, 2026 3:00 PM · 26 characters. Ends at Midnight - discount code inside | |
| Sep 27, 2026 3:02 PM | Take 15% off your haircare favourites | 37 | this weekend only | Sep 27, 2026 3:02 PM · 37 characters. this weekend only | |
| Sep 25, 2026 7:00 AM | IT’S ON: 15% off 🔥 | 18 | treat yourself to repair | Sep 25, 2026 7:00 AM · 18 characters. treat yourself to repair | |
| Sep 23, 2026 3:24 PM | bigger bottles, same breakthrough tech ($73) | 44 | Upgrade your wash day | Sep 23, 2026 3:24 PM · 44 characters. Upgrade your wash day | |
| Sep 21, 2026 4:42 PM | ending soon: 10% off for soft, strong, bouncy hair | 50 | The results you’ve been looking for are this way | Sep 21, 2026 4:42 PM · 50 characters. The results you’ve been looking for are this way | |
| Sep 21, 2026 2:45 PM | ever feel like you are losing too much hair? | 44 | Read this | Sep 21, 2026 2:45 PM · 44 characters. Read this | |
| Sep 20, 2026 8:40 PM | 10% off everything you need | 27 | Ready for your healthiest hair? | Sep 20, 2026 8:40 PM · 27 characters. Ready for your healthiest hair? | |
| Sep 20, 2026 4:11 PM | want healthy hair today, tomorrow + in the future? | 50 | Take the quiz | Sep 20, 2026 4:11 PM · 50 characters. Take the quiz | |
| Sep 20, 2026 2:00 PM | Soft, strong, bouncy hair starts here 👉 | 40 | The mini biotech routine you need (save 21%) | Sep 20, 2026 2:00 PM · 40 characters. The mini biotech routine you need (save 21%) | |
| Sep 18, 2026 1:01 PM | your FutureIQ™ questions, answered | 36 | We're breaking down the breakthrough | Sep 18, 2026 1:01 PM · 36 characters. We're breaking down the breakthrough | |
| Sep 16, 2026 6:05 PM | NEW limited-edition K18 x Jen Stark sets | 40 | Give great hair wrapped in collectible art | Sep 16, 2026 6:05 PM · 40 characters. Give great hair wrapped in collectible art | |
| Sep 14, 2026 3:00 PM | final call: FREE shipping ending soon 👀 | 40 | Code inside - don't miss out | Sep 14, 2026 3:00 PM · 40 characters. Code inside - don't miss out | |
| Sep 13, 2026 10:05 PM | GLP-1s and hair shedding: here's what might be happening | 56 | The science of what's happening beneath the surface | Sep 13, 2026 10:05 PM · 56 characters. The science of what's happening beneath the surface | |
| Sep 13, 2026 2:03 PM | Don't miss out on FREE shipping 🚚 | 34 | Code inside - limited time only | Sep 13, 2026 2:03 PM · 34 characters. Code inside - limited time only | |
| Sep 12, 2026 1:25 PM | how to tell if FutureIQ™ is working | 37 | Your monthly results breakdown | Sep 12, 2026 1:25 PM · 37 characters. Your monthly results breakdown | |
| Sep 8, 2026 8:11 PM | the louder the beauty industry gets, the more we listen to science | 66 | This is hairscience that sees you, not overwhelms you. | Sep 8, 2026 8:11 PM · 66 characters. This is hairscience that sees you, not overwhelms you. | |
| Sep 6, 2026 6:20 PM | Ready for your healthiest hair? | 31 | 10% off everything you need | Sep 6, 2026 6:20 PM · 31 characters. 10% off everything you need | |
| Sep 6, 2026 4:12 PM | want to repair frizz, breakage + split ends? | 44 | Stock up on jumbo mask ($150 value) | Sep 6, 2026 4:12 PM · 44 characters. Stock up on jumbo mask ($150 value) | |
| Sep 4, 2026 6:25 PM | back in stock: Future Society x K18 | 35 | the mask you love 🤝 limited-edition scent | Sep 4, 2026 6:25 PM · 35 characters. the mask you love 🤝 limited-edition scent | |
| Sep 4, 2026 6:19 PM | 10% off for soft, strong, bouncy hair | 37 | Let's double take 👀 | Sep 4, 2026 6:19 PM · 37 characters. Let's double take 👀 | |
| Sep 4, 2026 3:03 PM | we’re obsessed with these NEW kits | 35 | They’re 1. cute and 2. clinically proven to give you soft, strong, bouncy hair | Sep 4, 2026 3:03 PM · 35 characters. They’re 1. cute and 2. clinically proven to give you soft, strong, bouncy hair | |
| Sep 3, 2026 8:02 PM | is FutureIQ™ longevity serum right for you? | 45 | If you're noticing more shedding + early grays, read this | Sep 3, 2026 8:02 PM · 45 characters. If you're noticing more shedding + early grays, read this | |
| Sep 2, 2026 7:56 PM | ending soon: 10% off for soft, strong, bouncy hair | 50 | The results you’ve been looking for are this way | Sep 2, 2026 7:56 PM · 50 characters. The results you’ve been looking for are this way | |
| Sep 1, 2026 11:50 PM | 10% off everything you need | 27 | Ready for your healthiest hair? | Sep 1, 2026 11:50 PM · 27 characters. Ready for your healthiest hair? | |
| Sep 1, 2026 9:10 PM | see AstroLift™ work under a microscope | 40 | The science of bouncy hair | Sep 1, 2026 9:10 PM · 40 characters. The science of bouncy hair | |
| Aug 31, 2026 2:00 PM | Back to School Sale ends at midnight 💔 | 39 | last call for 20% off | Aug 31, 2026 2:00 PM · 39 characters. last call for 20% off | |
| Aug 28, 2026 3:02 PM | AirWash™ = the first biotech-powered dry shampoo | 49 | and it is 20% off - limited time only | Aug 28, 2026 3:02 PM · 49 characters. and it is 20% off - limited time only |
Based on 230 emails received from Mar 16 to Nov 7, 2026. Times in US Eastern. How we collect