Glossary /
Fill-in vs full set
Written by PEKO Team.Last updated: 2026/05/18.
Two distinct nail-salon visit types with different retention curves: fills run on a 2–3 week cadence and reward proactive reminders; full-sets cycle every 6–10 weeks and reward seasonal/occasion-driven win-back.
Published: 2026/05/18
Two distinct nail-salon visit types with different retention curves: fills run on a 2–3 week cadence and reward proactive reminders; full-sets cycle every 6–10 weeks and reward seasonal/occasion-driven win-back.
In the Vietnamese market, this concept interacts tightly with Zalo OA reach, VND cash/QR payment mix, and the district-cluster dynamics of competing venues. Applied properly it can move 5–15 points of 90-day cohort retention.
PEKO operationalises this concept as part of the loyalty layer that runs alongside the venue's existing booking system (Booksy, Fresha, Mindbody, KiotViet, or paper) rather than replacing it.
FAQ
Which Vietnamese verticals does fill-in vs full set apply to?
Best fit for barbershops, nail bars, hair salons, spas and beauty salons — verticals where rebook discipline and the guest-stylist relationship drive most of the revenue.
How long does implementation take?
With PEKO, a small venue typically goes live in 3–5 days: contact import, Zalo OA connect, basic reminder cascade switched on, then tuning over the first 2–3 weeks.
Do I need to replace my current booking system?
No. PEKO is positioned as a loyalty layer on top of existing booking systems — Booksy, Fresha, Mindbody, KiotViet or paper diaries all stay; PEKO adds retention on top.
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Barbershop rebook window
The interval (typically 3–6 weeks) inside which a barbershop guest is statistically likely to return for a maintenance cut. Guests crossing the window without a touch-point have ~3× higher churn risk than those nudged at week 4.
Term
Loyalty layer
A retention/CRM system that sits on top of an existing booking platform (Booksy, Fresha, Mindbody, KiotViet) rather than replacing it. PEKO's positioning: keep your bookings where they are, layer retention on top.
Term
Service-vertical CLV
Customer lifetime value for service venues, calculated as average ticket × visit frequency per year × expected retention years. For mid-market salons, a retained regular is worth 8–14× a first-time guest.