What is a easy way to clean my playstation 3 blueray disc reader?

May be...

My playstation 3 freezes a lot! And everyone told me that my blueray disc reader is messed up! I don't want to send I'm my ps3 right now because its summer and I don't want to be bored. (My dlc games still play)

buy a blu ray dvd cleaner

take it to sony dont do it yourself you might damage the blu ray laser