Proven to leave scalp feeling calmer, less irritated and less itchy. Works with pure-formance™ shampoo to soothe and relieve scalp while conditioning and adding shine to hair. After just two weeks:• 72% experienced a reduction in oiliness and greasiness• 65% experienced a reduction in scalp dryness and itchiness• use with pure-formance™ shampoo• Cradle to Cradle Certified™ Gold. Packaging (bottle) meets Bronze-level requirements.*Save money and save plastic when you buy a litre.• litres cost 25% less per ounce**• litres use up to 28% less plastic**People tested.*Cradle to Cradle Certified™ is a certification mark licensed by the Cradle to Cradle Products Innovation Institute**Due to buying one litre (33.8 oz) bottle versus the equivalent product in a standard-size bottle.