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By creating an account you agree that your campaign data is stored securely and is only accessible by you.
Upload your patient list. REHASH builds a personalised 3-email reactivation campaign — sent from your own inbox, in your own voice, in under 10 minutes.
No account required · GDPR compliant · Under 10 minutes
The problem REHASH solves
Click a treatment to see how inactive patients in that category are typically lost — and how REHASH brings them back.
Most practices rely on the patient to rebook. They don't. Life gets busy, the appointment slips by, and 12 months becomes 18 months — then two years.
Hi [First Name],
I was looking through our patient records and noticed it's been over a year since we last saw you for your check-up.
Just wanted to reach out personally — a quick 30-minute appointment can catch a lot before small things become bigger ones.
Would any time next week work for you? We have morning and evening slots available.
Warmly,
Dr. Sarah Mitchell
Bright Smile Dental
Hygiene is high-frequency, high-value — and highly forgettable. Patients intend to rebook. They don't. That's two missed appointments a year per patient.
Hi [First Name],
It's been around 6 months since your last hygiene appointment with us — you're due for another clean.
Regular hygiene visits are one of the best things you can do for your long-term gum health, and we've got availability this month.
Would you like me to pencil you in? Just reply with a day that suits and I'll sort the rest.
Best,
The team at City Dental
Cosmetic patients are highly motivated — but motivation fades without a nudge. Many enquire, go home to think, and never rebook because no one followed up.
Hi [First Name],
I noticed you'd mentioned whitening when you were last in. I wanted to reach out in case you were still considering it.
We use a take-home system that most patients find really easy — and results are usually visible within 2 weeks.
Happy to answer any questions, or just book you in for a quick chat. No pressure at all.
Kind regards,
Laura
Smile Studio
Ortho consultations are a big decision. Patients need time — but most clinics give them space rather than a gentle nudge. A well-timed email changes the outcome.
Hi [First Name],
It's been a few months since your consultation — I just wanted to check in and see if you had any further questions about Invisalign.
A lot of patients find the cost or timeline puts them off at first, but once we've talked through the options there's usually a path that works.
Would you like to come back in for a quick chat? No commitment required.
Best,
The Orthodontics Team
The Dental Hub
Botox and filler patients typically return every 3–6 months. Without a reminder, many drift — booking at a cheaper competitor or simply letting results lapse.
Hi [First Name],
It's been around 4 months since your last treatment with us — you might be noticing the effects starting to wear off.
We have availability in the next couple of weeks if you'd like to come back in for a top-up. Results are always best when we maintain consistency.
Just reply to this email and we'll get you booked.
Warmly,
The Elara Aesthetics Team
What is REHASH
Most clinics have hundreds of patients who haven't visited in over a year. They haven't left — they've just been forgotten.
REHASH reads your clinic website, understands your treatments and tone, then builds a personalised 3-email reactivation campaign — sent directly from your own Gmail, to your own patients.
No agency. No monthly fee. No technical skill required.
The process
From a dormant patient list to a live email campaign — no marketing experience needed.
Why we built this
Most dental and aesthetic clinics pour budget into acquiring new patients. Meanwhile, hundreds of patients who already trust them haven't returned in over a year — not because they left, but because nobody followed up.
Reactivating an existing patient costs a fraction of acquiring a new one. They know your team. They've already paid you before. They just need a well-timed, personal message that reminds them you're there.
We built REHASH because no tool existed that was simple enough for a practice manager to use in ten minutes, yet smart enough to send emails that genuinely feel like they came from the dentist themselves.
Free to use. No account needed. Your first campaign takes under 10 minutes.
Built by
Kaiser Collective is a digital growth consultancy built for clinics that want more high-value patients. We combine specialist knowledge of the dental and aesthetics industry with cutting-edge automation technology to solve the one problem every clinic shares: turning online interest into booked appointments.
Enter your email and we'll send you a 6-digit sign-in code.
Create your free account. Your campaigns and patient data stay private to you.
By creating an account you agree that your campaign data is stored securely and is only accessible by you.
Enter your clinic's website address. Our AI will read your site and build a full Clinic Profile — your treatments, tone, location, and USPs — automatically.
Export your inactive patients from your practice management software and drop the CSV file here. We handle all formats — and map columns automatically.
Your patient data never leaves your session. We process your CSV in your browser session only — it is not uploaded to external servers, not stored after your session ends, and never shared with third parties.
Emails are sent directly from your own Gmail account using SMTP. We do not store email addresses, names, or any personal data after your session ends. Column mapping preferences are saved locally in your browser only.
Under UK GDPR (UK DPA 2018), reactivating existing patients with whom you have a legitimate interest relationship is a lawful basis for direct marketing. We recommend including an unsubscribe option in each email — our templates do this by default.
Patients below are queued for follow-up emails. Remove anyone who has responded outside of email (e.g. by phone) before their next email goes out.
No campaign data yet — run a campaign to see follow-up queues here.
| Patient | Segment | Status | Next Action | |
|---|---|---|---|---|
| No patients loaded yet — run a campaign to see results here | ||||