Bests & Worsts Reviews from Amazon

I’m so confused. my dermatologist SWORE by this product... i’ve been using it for two week and staying out of the sun as much as possible. today i was out in the sun for around an hour applied this 30 mins before on my face neck and chest. and a diff sunscreen for the rest of my body at 30 spf... so someone explain HOW i’m fried on the area i applied this product?? i feel like i have a fever it’s so bad. while i was in the sun did not feel like i was getting burnt.. then an hour later i’m a lobster.. lol is this a joke?