I finish up my eyes with waterproof mascara in a dark black color. (ladyinviolet.com)
A hybrid diaper is also an easy option... some form of waterproof cover that you switch out the inserts in... only changing the cover out when it gets dirty.. (celebritybabies.people.com)
This all in one cloth diaper is made of waterproof outer layer while the inside is made of 5 layers of inserts. (babieslounge.com)