For kids under 13, if the child taps the photo and views it anyway, the child's parents will be alerted. Code in iOS 15.2 features some of the wording that children will see.

After launching Communication Safety in Messages for kids at the end of 2021 in the US, the feature made its way to six more countries in 2022.

Apple's Messages Communication Safety Feature for Kids Expanding to the UK, Canada, Australia, and New Zealand Wednesday April 20, 2022 11:06 am PDT by Juli Clover ...