How do you manage your children's blackheads and sebum?

My child is an elementary school student.

As I got older, I started getting noticeable blackheads.

I was worried it might become too salty later.

I want to know a cleansing method or routine that would help with blackheads.

Since the skin is still delicate

I'm a bit hesitant to use adult products available on the market.

I'm wondering what kind of maintenance method would be best.

If you happen to have a gentle product for managing blackheads, or

Does anyone know an easy way to practice daily?

Please share this~~