The science of mid to long, dull hair The longer your hair, the more sensitive it is. Over time it can begin to lack shine, vitality and softness. The secret to glossy shine 1 Mirror shine Enriched with Pearl*, the formula illuminates and smoothes the hair’s surface for better light reflection and a mesmerising shine. 2 Cashmere touch Enriched with Protein, the formula nourishes each hair fibre for glossy, irresistible cashmere softness from to tip.