The Sports Stick from Colorescience may be taken anywhere and is a very useful companion for outside activities and sports as well as for the playground. May also be used on the lips.
 
This is a 100% mineral sunscreen designed with EnviroScreen™ Technology to shield against environmental aggressors like UVA/UVB rays, blue light, pollution and infrared radiation.  Uses 13.5% Zinc Oxide with rich antioxidants and hydration-boosting jojoba esters and squalane; a convenient sunscreen, suitable for the whole family.