Sunscreen can help protect the skin from sunburn and some skin cancers but only if used correctly. Keep in mind that sunscreen should be used for sun protection, not as a reason to stay in the sun longer.
What's the best way to protect kids' skin from sunburn?
Sun protection: Appropriate sunscreen use - Harvard Health
How to Treat Sunburn in Kids
Swimming Safe With a Toddler
Should I Put Sunscreen on My Child Every Day? Sun Safety Tips
Keep your child safe in the sun
When Can You Take a Newborn Outside? - Newborn Care in a Crowd
How to Treat Sunburn in Kids
Summer Sun Safety