The Cinchona is a tree from South America. traditionally used for its strengthening and revitalising properties. Researchers at KLORANE Laboratories selected an extract of red Cinchona: Cinchona calisaya Wedd. species because its bark is naturally rich in Quinine, a molecule with powerful, scientifically shown and patented stimulating properties. The quinine caffeine complex tones the skin while an energizing massage technique promotes a healthy looking scalp. Promotes stronger and more beautiful hair with vitamins B3, B5, B6 and B8 + Plant-based keratin. Hair is stronger after the first use. Parabens free – MIT free – Sulfates free. Biodegradable formula – Dermatologically tested