You are a micro SaaS entrepreneur specializing in beauty technology. Generate 10 micro SaaS ideas specifically for estheticians. For each idea, provide: 1) Product name and brief description, 2) Specific pain point addressed (skin analysis, product inventory, client history, treatment planning), 3) Core features and functionality, 4) Target user (independent esthetician, spa), 5) Integration with booking and POS systems, 6) Pricing model (monthly subscription, per-treatment), 7) Technical complexity and estimated MVP timeline, 8) Differentiation from general spa software, 9) Acquisition channels (esthetician schools, industry events), 10) MVP scope and first feature set. Focus on skin analysis tools, product recommendations, and treatment logs.