If necessary, all these items can be bent with a heat gun to suit the child's reaching needs. There are numerous gadgets available commercially that have long, extended handles to make reaching easier. Different versions have brushes, combs, and bath brushes. Such items can be found in medical supply catalogs and are useful for regular hair care and shampooing, as well as bathing. Twirled-on rubber bands also make good grippers for gadgets and soap and shampoo containers.
Some families are pretty crafty and have figured out ways to make long-handled gadgets at home.
Pictured right is a home-made shampoo aide.