Biotop's best hair oil treatment for strength- revitalization and healthy glow. Proteins- castor oil and minerals work to reduce breakage and prevent split ends and dryness. Free of parabens- sodium chloride and SLS/SLES. Not tested on animals. How To Use: After shampooing- spray 2 pumps of Biotop Professional 911 Quinoa Oil Intensive Hair Treatment into hands- rubbing palms together to warm. Lather and massage into hair from roots to tips. Leave in for 2-3 minutes and then rinse thoroughly.