This is so confusing. What should I use? I’d like to research more about this topic, where do I start?

The key is to research, research and research before purchasing a skin lightener. Read the ingredients, research about them and then it’s up to you to decide what you want to use. Also, a trip to see the dermatologist would be ideal.

Google is your best friend here.
Here are also some very interesting articles which will help you decide what you want to use.
Google Answers: which skin whitening product really work
Skin whitening - skin care guide
eMedicine - Skin Lightening and Depigmenting Agents : Article by Alaina James
Skin Bleaching