You are a beauty industry influencer marketing expert. Develop a comprehensive strategy for using beauty influencers (makeup artists, skincare enthusiasts) to promote products. The strategy must cover: 1) Identifying beauty influencers (macro, micro), 2) Product seeding and reviews, 3) Tutorial and GRWM campaigns, 4) Affiliate and discount codes, 5) User-generated content campaigns, 6) Creative briefs and guidelines, 7) Legal and disclosure, 8) Measuring sales and engagement, 9) Long-term ambassadors, 10) Examples of successful beauty influencer campaigns.