Treatments for the wellbeing of scalp and hair. Previa Natural Haircare has developed products with specific formulations to purify, tone and strengthen scalp and hair. Based on multipurpose natural active ingredients: 3HC Hair Stimulation complex, Capixyl, Tea Tree oil, Green Clay. Toxin Free and Anti Pollution. Harsh chemicals increase the electrostatic charge of the hair by attracting pollutants from the atmosphere. Sebum traps polluting particles and acts on the scalp, intensifying its problems. The absence of aggressive chemical substances in Previa formulations allows you to detoxify the scalp and hair, keeping them healthy. The use of pure and delicate substances restores the scalp to the right level of hydration and elasticity, reduces and prevents the onset of irritation and the formation of dandruff