The ultimate daily indulgence for damaged and ageing hair - YOUNG.AGAIN is a weightless leave-in treatment oil from our REJUVENATE regimen. Infused with Immortelle to help counteract oxidation and therefore the ageing process, our intensely nurturing treatment oil delivers deep conditioning benefits that leave hair feeling soft and smooth with an overall boost to shine. Use daily to fight the fight against dry, damaged, brittle hair and to provide protection against environmental stressors, and heat damage.