Camouflage [The Art of] shirts are made to be worn. This means they get dirty. However, with proper care, a Camouflage shirt can last for several years and continue to look great.Hereby some clever tricks & tips to whiten your 'dirty' white shirt(s).1. Wash your (white) laundry as usual and add a dishwasher tablet in your washing machine.2. Fill a bucket with water and a shot of bleach. Put your shirt in it. Let it soak for a day/night. Wash it after this process.3. Fill a bucket with warm water and a big shot of distilled vinegar.Put your shirt in it. Let it soak for a day/night. Wash it after this process. This is a real 'sweat stain' killer!4. Try lemon juice! Add 1/2 cup of lemon juice to the wash cycle. If none of these tricks & tips have helped, it's time to purchase a new perfect white shirt ;)