brighter whites, white brite!

now that it's actually warming up a bit, i'm starting to get in the mood to wear my seasonally appropriate whites.  well, nyc isn't exactly friendly with my clothes, particularly my white jeans.  i wore them out last night and after examining them this morning i made a quick call to my mom to see what she'd recommend.  she suggested i get this  --->
it's just a powder you can throw in with your regular detergent.  no extra steps necessary.  it's kind of a miracle worker.  it even spruced up white t shirts and tanks i'd all but given up hope on.  yay!