What not to do when you're invisible

This invisible girl will win your heart! Ethel has tried everything for her acne, but nothing has worked. When she gets her hands on a strange Chinese medicine that promises guaranteed results, she jumps at the chance. Unfortunately, when combined with a trip to the tanning salon, it makes Ethel invisible. At first, it's quite fun. But how can she keep her condition a secret? Will she be able to find a cure for her invisibility? And while she's at it, will she uncover the truth about the parents she never knew?