L’Oréal Professionnel Serioxyl Thickening Hair & Scalp Conditioner 150ml – Care for thinning treses with the Thickening Hair & Scalp Conditioner from L’Oréal Professionnel’s Serioxyl range, specially developed to redensify fine hair. Soothing sensitive scalps with Polysorbate 21, the nourishing conditioner utilises Magnesium Sulphate to give limp, lifeless hair a volumising lift from the roots for a mane that looks fuller with improved body. Detangling the hair fibres without weighing them down, the conditioner leaves locks shiny, voluminous and healthy. Ideal for fine, thinning hair and suitable for sensitive scalps. Hypoallergenic.