anyone know of any self tanners safe to use?

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I usually like to be self tanner over the summer and spring and I know that a lot of the spray tans and self tanners have chemicals in them that are probably not the safest for pregnancy. I was wondering if there is any recommendations you guys might have or any natural home remedies to make my own self tanner that would be safe to use while pregnant. Also NO I will not just get a regular tan by standing out in the sun, I like to take care of my skin and so I try to avoid this method of tanning because of sun damage, skin cancer, wrinkles, ect.