Whether use mela glow in day or night and how many times in combination with others

If sunscream is tried like Venusia Max in combination then when to use it in day or night in combination of melaglow

Why is this posted in Adult Sexuality?

How are melaglow and/or venusia max related to sex?

EDIT: I am reading that Venusia is a skin moisturizer. I find nothing to indicate it's a sunscreen. I am also reading that Melaglow is by prescription and directions are provided by the Physician, directions that vary from person to person.

EDIT: Moved ;)
CB