Conceal sparse patches on the scalp with L'Oréal Professionnel’s Serioxyl Volumising Hair Fibre Spray; a coloured spray that delivers a volumising effect for a natural-looking and instant densifying effect. Part of the brand’s Serioxyl range, specially developed to redensify fine, thinning hair, the lightweight thickening spray effectively fills in areas in need of thickening whilst respecting the scalp, thanks to its hypoallergenic formula. Arriving in a spectrum of shades to perfectly match your hair colour, the spray is a fuss-free camouflage for disguising areas lacking volume. For light to medium blonde hair. Ideal for fine, thinning hair and suitable for sensitive scalps. Hypoallergenic.