Here are some helpful inventions you can use to keep the lips from pressing into the braces and causing all that aggravation!
The Morgan Bumper
Dentakit
http://www.dentakit.com/snshlipprfor.html
Aim Lip Protector
https://www.amazon.com/Protector-Orthodontic-Dental-Pain-Relief-Supply/dp/B0B99BGWKF/
Sonic Dental Comfort Guard
https://www.amazon.com/Sonic-Dental-Comfort-Shield-Orthodontic/dp/B00H2S7TC0/
Ortho Braces Lip Guard Protector
https://www.amazon.com/Bestseller-Orthodontic-Braces-LipGuard-Protector/dp/B0734BCYXQ
Invisalign