How should I handle cancellations for nail and eyelash appointments?

The biggest headache with nail and eyelash services is last-minute cancellations, especially when I've blocked out two hours and prepared the materials. I used to just let it go to avoid offending clients, but I later realized that while regular clients are fine, new clients have a high no-show rate. Now, I collect a small deposit, require one day's notice for rescheduling, and shorten the…