I know I am going to sound horribly old/out of date here but I (37/F) watched a preteen denied a sale today at Sephora. It was her birthday money. The cashier explained they cannot sell her retinol and a vitamin c serum and explained how damaging it is to young skin, which, was both sad watching this little girl's confused deer in headlights look not understanding, but also, why do kids that young think they even need those products? That was all she was purchasing.

In the same store was another group of tweens who were cheering when they found a skincare brand. I didn't see any of them look at makeup which seems like the opposite of how things were when I was their age.

I'm partly jealous I don't have a kid who is a skincare junkie to have someone to do this with, but also just wishing sunscreen was pushed as the thing to buy vs things that cause photosensitivity.

Editing since some of the comments are getting aggressive. This was clearly a child (assuming 5th grade), without acne or a parent nearby. Of course if someone has a skin condition, it should be treated. I got the sense it was a trendy purchase.