Open Formula is a Chicago-born skincare brand built around the idea of ultra-clean, minimalist formulas. They focus on high‑impact, clinical ingredients—like vitamin C serum, peptides, acids, and oils—parceled into affordable routines sold a la carte. With memberships unlocking 50 % discounts and free U.S. shipping, plus a 100‑day money‑back guarantee, Open Formula offers conscious, effective skincare without extravagant packaging or chemical overload.