How can I remove sebum from my children?

How can I remove sebum from my children?

ㅠㅠ

Puberty kids have severe acne, too.

On top of that, I get blackheads and the sebum is really bad.

I'm not letting the kids even touch it, so I'm wondering how I should manage this.

Sensitive adolescents who dislike stimulation and pain

I am curious how you remove facial sebum or blackheads.