Kosa Salon SF

Kosa Salon SF is a San Francisco hair salon located at 3012 Fillmore Street in the Cow Hollow neighborhood, offering haircuts, color services, balayage, extensions, and special occasion styling. The salon is home to independent stylists and barbers offering services including balayage, foil highlights, single and double process color, blowouts, extensions, and the Kérastase Fusio Dose Treatment, using Kérastase and Davines products. The salon honors the legacy of founders Alexa Nelson, Monique Ginocchio, and Jessica Allen's great-grandfather, Antone Zietich, who emigrated from Croatia to San Francisco over 100 years ago; since July 2025, the salon has been owned and operated by Jen Betti and Kopal Maheshwari. Located at 3012 Fillmore Street in San Francisco's Cow Hollow neighborhood, near Pacific Heights and the Marina District. One reviewer booked stylist Dani for a gray touch-up a week before her wedding and was pleased with the results; other clients highlight stylists Jonette, Julie, Jer, and Jae Lopez for precise, personalized cuts and color work, noting clean facilities and reasonable pricing.