L'Oreal Paris Studio Line Matt & Messy Fibre Paste is a texturizing styling paste for moulding and remoulding your hair whenever you want, all day long. Go on, remix your style!. L'Oreal Paris Studio Line Matt & Messy Fibre Paste: Remodel your hair whenever you want! L'Oreal Paris Studio Line Matt & Messy Fibre Paste is a texturizing styling paste for moulding and remoulding your hair whenever you want, all day long. Go on, remix your style!