Human hair toppers are expensive and you want to use them fir a long time so good care is very important. They should be kept in a box so hair does not tangle .
human hair toppers can be washed with a mild shampoo and dried with a hair dryer try to dry with cold air. Also hot iron can be used to style them depending on tge quality of human hair. Too much use of hot iron can burn hair do use it cautiously