How to use dental bleaching gel?

[EYRAVI]

So i aquired 3 gels. How much time should i leave It in? And how long should i wait to use it again? I want fast results but dont want to use it all too fast (not feel the pain too much too). If anyone can help it

would be great

 

[CertifiedGoy]

1 hour i think. Not sure about frequency

 

[gymcelld]

Google exists