Treat this hair just as if it was your own hair. Use good quality shampoo and conditioning products.
Conditioning your hair is very important to keep it soft and manageable, so use leave in conditioners.
You can also use products like gel and hair spray to keep the curls in place, but make sure to wash your hair and not leave in these products in for a long time.
Recommended shampoos and conditioners: Pantene PROV For treatment and every day use: Olive Oil Hair Polisher.