The health and safety of your clients should be your very first concern. Remember, you are working around their eyes and can cause trauma if you’re not alert and careful at all times.
Sanitation.
PLEASE! Make sure that you clean under and also around your nails at the start of every day and wash your hands thoroughly before every client. This will ensure that you don’t introduce any bacteria from your hands or from under your nails to your client during the application.
Keeping ion mind that a big part of business is looking the part. Always making sure that your hair and nails as well as yourself groomed at all times. This is very important. Presentation is everything.