We started very early with facial routines. May daughter (17) has been around me and my routines long enough to see that they are important.
When she was about 12, I took her to a dermatologist as a proactive approach so she could learn more about skin carea nd what to possibly expect.
I have used Clinique since I was about 11 and I am 50 and easily pass for early 30's. I was asked for my school id at the Senior high school last week.
Daughter uses Clinique as well. We have a routine that includes a fash wash in the morning and night (if we've been somewhere and get hot, sweaty, etc, we will wash again). Clinique is recommended by dermatologist as well as Purpose and Cetaphil.
What you eat also effects your skin. We drink a LOT of water, use sunscreen daily, and fortunately, we were both blessed with good genes.
If your daughter is having the occasional breakout now, she needs some sort of medicine with benzyol peroxide that will fight the bacteria and help clear things up.
My daughter has used ProActive but it is strong for her skin and since she has no issues, we decided to stay on the course for regular routine care.
It will be worth your investment to get her started with something now and into good habits. It can make a world of difference with her self esteem.
Good luck