The science of dull hair lacking radianceover time hair fibres can become dull due to a build up of impurities and the hair cuticle becoming rough which can disrupt light reflectionthe secret to intense and long lasting shine today professional gloss techniques are used to remove impurities from hair fibres and coat them with a glossing polish for long lasting weightless luminosityinspired by this loral paris laboratories have created our first haircare range enriched with glycoge