An esthetician's guide to WhatsApp automation: treatment by treatment

Estheticians should build WhatsApp automation around each treatment, not around a generic appointment. Encode every treatment's preparation notes, rebooking interval, aftercare message and fill window, so each client receives the message that fits the service they booked.

Generic appointment automation sends everyone a time, a name and a reminder. An esthetician's work has more structure: a course of peels has an interval that matters clinically, a lash set has a fill window that decides whether the client keeps the set, and a facial before an event must happen a set time before it.

What we'll cover

• Every treatment has its own shape
• Pre-treatment, which is where problems start
• Intervals and courses
• Building it with CodeWords
• Aftercare that actually gets read
• The fill window
• Events and deadlines
• What stays with you
• Retail and recommendations
• Making it survive
• Limits worth knowing about
• What to build first
• Frequently asked questions

Key takeaways

• Encoding the treatment, not the time slot, is the design decision the whole automation rests on.
• Preparation notes should arrive days before the appointment, because the booking confirmation is rarely reread.
• Rebooking prompts should be calculated from each treatment's protocol and the client's last appointment, not from a fixed period.
• Suitability, reactions, consultations and recommendations stay with the esthetician.
• The best first build is one treatment end to end, starting with the one you perform most.

Every treatment has its own shape

Every treatment has its own shape, so the automation must encode the treatment and not the slot. Five properties differ from one service to the next:

• Duration varies by an order of magnitude across a price list.
• Preparation differs: what to avoid beforehand, what to arrive without and what needs testing.
• The rebooking interval is clinical for some treatments and cosmetic for others.
• Aftercare differs, and it matters most where the client's behaviour affects the result.
• Courses are a series, not one appointment. Booking one session at a time loses the course.

Pre-treatment, which is where problems start

Pre-treatment problems start with preparation the client forgot, so send the preparation notes days before the appointment and ask the client to confirm they followed them. A confirmation request surfaces a problem before the client travels.

Common preparation issues include:

• Retinoid and acid use before certain treatments, which clients forget.
• Sun exposure before several services, which is seasonal and often overlooked.
• Recent treatments elsewhere, which clients do not think to mention.
• Waxing and hair removal timing before some facial treatments.

Do not rely on the booking confirmation for this. Clients rarely reread it.

Intervals and courses

Intervals and courses work when the booking system knows the protocol: a course has spacing that affects the result, and clients otherwise book the next session whenever it suits them.

• Book the whole course when the protocol is a course, instead of one session at a time.
• Prompt at the right point, calculated from the treatment date and its protocol, not from a fixed period.
• Flag a session booked too soon. This is a clinical consideration, not a scheduling one.
• Track where each client is in a course. A client who lapses mid-course loses the benefit of sessions already paid for.
• Say what the interval is and why. Clients who understand it keep to it.

Building it with CodeWords

To build treatment-based automation in CodeWords, describe each treatment's preparation, interval and aftercare to Cody, the automation builder, then connect your booking system and WhatsApp Business Platform account once and reuse them. CodeWords offers 3,000+ integrations (CodeWords integrations page, 2026).

1. Open CodeWords and start a new automation.
2. Describe in plain language the treatment, its preparation, its interval and its aftercare.
3. Authorize the connections to your booking system and your WhatsApp Business Platform account.
4. Describe the exceptions: a session booked too soon, missing preparation, a course not completed, or a reported reaction.
5. Set up one treatment end to end before adding the rest.

You describe the outcome, and Cody builds it, connects it and deploys it. The Free plan covers light use. Pro costs $39 per month and Business costs $100 per month (CodeWords pricing page, 2026). Details are on the pricing page.

Aftercare that actually gets read

Aftercare gets read when it arrives as a short, specific message after the appointment. Nobody remembers instructions given while getting dressed, and a message is kept in a way a leaflet is not.

• Send it afterwards, not only in person.
• Make it specific to the treatment the client actually had.
• Separate the first twenty-four hours from the longer-term advice, since the first day matters most.
• Say what is normal and what is not, with a clear route to reach you for the second.
• Do not assess a reported problem in the thread. Route it to the esthetician promptly.

The fill window

The fill window is the period in which a lash or nail fill maintains the set, after which the client needs a new full set. Clients do not track the window, and they find out they missed it when they try to book. The result is a lost sale and an unhappy client.

• Prompt inside the window, calculated per client from their last appointment.
• Say plainly what happens if they miss it. The price difference motivates the booking.
• Offer a slot instead of asking the client to call. Rebooking is won or lost at this step.

Events and deadlines

Event bookings work backwards from a fixed date, so ask about the date whenever an enquiry mentions one. Clients book around weddings and other events, and some treatments need a specific distance from the event, not the closest possible one.

• Plan the sequence backwards when a course is involved. This is a conversation, not a booking.
• Build in a buffer for any treatment that could cause a reaction. That is the reason the interval exists.
• Flag a booking that is too close to the event before it is taken, not after.

What stays with you

These decisions stay with the esthetician, not the automation:

• Whether a treatment is suitable. This is your assessment.
• Anything about a reaction. Route it to you immediately.
• The consultation. It is a conversation, not a form.
• Advice about a concern. A message should not provide it.
• The recommendation. Clients book what you suggest, and that is the relationship.
• Anything involving a minor. Additional rules apply depending on the treatment and your jurisdiction.

Retail and recommendations

Retail follow-ups work when they repeat what you recommended, say why it suited the client, and arrive when the product would run out. Estheticians recommend products constantly and sell a fraction of them, largely because the recommendation happens when the client is least able to act on it.

• Send what you recommended after the appointment, when the client is thinking about it.
• Say why it was for them. A specific message is advice the client asked for, and a generic one is marketing.
• Time the repurchase prompt to when the product runs out, based on its size and your usage instructions.
• Do not push what you did not discuss. It turns a recommendation into a sales message and costs the trust that made it work.
• Track what the client bought, since the next recommendation depends on it.
• Keep it occasional. The message works because it is rare and relevant.

Making it survive

The automation survives change when it follows the protocol per treatment and keeps clinical records out of the thread.

• Encode the protocol per treatment instead of one generic flow.
• Check the interval before confirming a booking within a course.
• Keep consultation and reaction records in the client record, not in the message thread.
• Reply to a reported problem with a route to you, not an automated answer.
• Report the outcome: treatments booked, courses completed, fills booked inside the window and preparation confirmations.

Limits worth knowing about

The main limits are that protocols come from you, insurers and regulators set rules, and clients do not reliably follow preparation.

• Protocols come from your training and products, not from a general article.
• Insurance terms may set consultation and testing requirements.
• Scope of practice varies by jurisdiction, particularly for treatments near the medical end.
• Clients do not reliably follow preparation, which is why the confirmation step matters.
• Automation does not make a treatment work. It removes the reasons a treatment fails: missed preparation, a wrong interval and forgotten aftercare.

What to build first

Build one treatment end to end first: its preparation notes at the right moment, its booking, its aftercare afterwards and its rebooking prompt at the correct interval. Pick the treatment you do most. It takes about a day, proves the pattern, and shows which parts of your protocol lived only in your head.

Two habits make the difference. Calculate the rebooking prompt from the treatment and its protocol, since a lash fill window and a peel interval are different and one generic reminder serves neither. And send preparation notes days ahead, because preparation decides whether the appointment can go ahead.

Frequently asked questions

Why not use generic appointment automation?

An esthetician's work is shaped by the treatment, not the slot. Durations, preparation, intervals and aftercare all differ, and a single reminder flow serves none of them well. Treatment-based automation sends the right message for each service.

When should preparation notes be sent?

Send preparation notes days before the appointment, not in the booking confirmation, which clients rarely reread. Ask the client to confirm they followed the notes, so any problem surfaces before the client travels.

How should courses be handled?

Book the whole course when the protocol is a course, and prompt from the treatment date instead of a fixed period. Flag any session booked too soon, since spacing is a clinical consideration as well as a scheduling one.

What makes aftercare effective?

Effective aftercare is sent afterwards as well as given in person, kept short and specific to the treatment, and split into the first twenty-four hours and longer-term advice. It also says what is normal and how to reach you if something is not.

What is the fill window and why does it matter?

The fill window is the period in which a lash or nail fill maintains the set. After it, the client needs a full set. Clients rarely track it, so a prompt inside the window prevents a lost sale and an unhappy client.

How should event bookings be handled?

Ask for the event date, because some treatments need a set distance from the event, not the closest possible one. Flag any booking that falls too close to the date before the booking is taken.

What should never be automated?

Never automate suitability assessment, reaction handling, the consultation, advice about a concern or the recommendation. These are the relationship, not workflow steps, and each one needs the esthetician.

Where do the protocols come from?

Protocols come from your training, your products and your insurer, not from a general article. The automation encodes what you already do. It does not decide what the protocol should be.

How should product recommendations be followed up?

Send the product you recommended after the appointment, with the reason it suited the client. Prompt a repurchase when the product would run out, not on a fixed schedule.

Why not send regular product offers?

Regular offers are marketing, not advice. The recommendation works on trust and relevance, and a monthly product message costs the credibility that made the in-person recommendation convert.

Related reading

• Salon client intake over WhatsApp
• Med spa booking over WhatsApp
• Stop running appointments out of your DMs