Get rid of frizz and protect your hair from thermal damage with Smoothin? Shampoo from Soma. Made with Fruitbio, a combination of lactic, citric and malic acids and green tea leaf extract helps to eliminate frizz. This low pH shampoo helps to smooth, straighten and preserve your colour. Usage: Massage small amount of Smoothin" Shampoo into wet hair. Let stand 2-3 minutes. Rinse well and repeat if desired. For best results, follow with Smoothin" Conditioner.