Christina Flach shares her new Costco beauty find: Espoir Water Splash Sun Serum SPF 50+ — a lightweight, hydrating sunscreen with no white cast.
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Christina Flach Beauty Blog San FranciscoTips
Welcome to the beauty blog by Christina Flach, celebrity makeup artist and beauty expert based in San Francisco. Explore makeup tutorials, behind-the-scenes stories, press features, and expert tips from her work with celebrities, brides, athletes, and global brands across the Bay Area, Marin, Napa Valley, and Silicon Valley.
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Christina Flach named Best Beauty, Makeup Stylist in San Francisco Magazine’s 2026 Best of the Bay awards.
