I have a very dark color down there (Penis and Scotum). Can you please provide me the ways to lighten it.(photo)

I have a very dark color down there (Penis and Scotum). I just got a brazillian wax for the first time and noticed such a dark color. I am attaching an image. Can you please provide me the ways to lighten it. I feel very ashamed in front of my girlfriend. I may get marry soon. Please help.

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