L'Oréal Men Expert Shirt Protect Long Lasting Fresh Deodorant is a high performance anti-perspirant which helps protect your shirt against the appearance of embarrassing marks. It combats wetness, protects against the yellowing of clothes, helps fight the appearance of white residue and formulated to avoid the deposits responsible for the stiffening of fabrics after washing, drying and ironing. It has a proven 48 hour dry non-stop effect.