function-of-beauty
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Zahir Dossa and the trouble with the perfect shampoo
Every customer wanted something different. Zahir Dossa took them seriously - and built Function of Beauty around a factory that could do the same.
Monica Belsito
Monica Belsito is the CEO of Function of Beauty, the made-to-order personal care company that turns an online quiz into a custom bottle of shampoo. She took the top job in July 2025 after a career spent building consumer brands that get acquired: founding CMO at feminine-care brand LOLA, CMO at hummus maker Sabra (bought by PepsiCo in 2024), and senior brand manager at Dollar Shave Club before its $1 billion sale to Unilever. A Georgetown grad and Harvard MBA who started in crisis PR and Colgate's management program, she now steers Function of Beauty's push from DTC into shelves at Target, Sephora, Walmart, and Amazon.