I decided to share some of my experience of making front surface mirror.
Original idea belongs to
I used acrylic mirror for my design.
It's not the best solution but it's very easy and safe to work with and quality of mirror would be acceptable for most laser/optic applications.
So if you are interested, check out my materials:
Here's my another, more advanced, method of making FS mirrors using
Winning Colors Stain Remover.
This safe and reliable method works with any acrylic or glass mirror.