thoughts on this teeth whitening method

[suturesplitter]

using the philips 14 percent hydrogen peroxide gel, putting it in my retainers then leaving them on my teeth for 30min per day, i will repeat this for 14 dAYS

 

[improve_daily]

using the philips 14 percent hydrogen peroxide gel, putting it in my retainers then leaving them on my teeth for 30min per day, i will repeat this for 14 dAYS

keep this post up and tell me what helped you i have currently the same problem