Classic lashes, 2D volume lashes, 3D–5D volume lashes, Lash lifting, Lash isolation and retention, Nail extensions, Classic manicure, Gel nails, Polygel, Russian manicure, E-file manicure, Nail art, Top forms, Dual forms, Nail prep and care, Studio hygiene protocols, Client consultation, Client retention, Sales and upselling, POS and cash handling, Customer service, Business operations, Budgeting, Scheduling, Inventory management, Social media marketing