The perfect partner for Elasticizer Deep-Conditioning Treatment, Philip Kingsley Elasticizer Booster is designed to enhance and prolong the hailed, deeply hydrating effects in-between weekly Elasticizer treatments. Containing a medly of Elasticizer’s powerhouse ingredients within an intensive, in-shower formula, Elasticizer Booster instantly nourishes strands in the shower as part of your hair wash routine. Highly versatile, it can be used as a conditioner, flash mask or layered over conditioner on the driest parts of the hair. This fortifying booster immediately improves hair’s elasticity, to help restore stretch and in turn strength. Strands are left softer, hydrated and healthier in a flash, with improved resistance against threats like brushing and styling.