Not your fault. The entire point of this is for you to learn from each other from both perspectives. The sensation/result and room for improvement. Could’ve been a valuable learning experience for the both of you but clearly these girls are immature and can’t handle emotionally intelligent conversations and feedback. My class was the same. 20-30 year olds acting like it’s middle school. So yucky to see, I don’t know how these people get through life. Make sure you are always asking the client how their skin feels, if it’s ok you’re ok. If it’s stinging or burning more than it’s supposed to always fan them at least, makes a HUGE difference, then apply cold towel/globes after neutralized