PRINCIPIA is a Brazilian brand specializing in high-performance dermocosmetics offering potent skincare treatments at fair prices. The company emphasizes transparency in ingredient concentrations, scientifically backed efficacy, and accessibility. Their extensive product line includes serums, tonics, sunscreens, moisturizers, and treatments with active ingredients such as niacinamide, acids (glycolic, lactic, mandelic, salicylic, kojic), peptides, vitamins, and others. PRINCIPIA caters to skincare needs addressing acne, pigmentation, aging signs, hydration, and hair care. Products are dermatologically recommended, clinically proven, and cruelty-free. The company offers personalized skincare routines and promotional kits. Their store is headquartered in São Paulo, Brazil.