Please do not advise hydrogen peroxide for wound care. I am a wound care registered nurse and highly advise against using it for this reason. It is drying to the wound and delays wound healing. Wounds need a balance of moisture to heal.
Hydrogen peroxide was once used for cleaning wounds but research has shown it is too harsh for wound care. It kills healthy tissue, is cytotoxic, and actually delays wound healing. Unfortunately, some health professionals have not kept current on changes in wound care and still recommend H2O2. I cannot comment on the other clains on your page, but H2O2 for wound care is definitely inappropriate.
There is a problem using Hydrogen Peroxide on fresh wounds and cuts. The foaming action that you have been told is the 'dirt' being bubbled out is actually the destruction of the 'first responding cells'. the good guys. Destroying those cells is why it takes 30% longer for the wound to heal. The longer the wound takes to heal means more scaring will result. Remember your mom saying not to pick your scabs??? That it would cause a scar. She was right. The older you are, the slower you heal, and this results in more scaring. ALL recent wounds take up more solar radiation and this stimulates the 'tanning' cells. This results in an area that tans quicker than the area around the healed wounds. it takes 6 months for the skin to mature to normal thickness. If you doubt this take a look at the shin area of your leg. In the early exposure to sun will cause your old scars to tan faster. eventually the rest of the shin catches up in the level of tan. On you leg this is no big deal but on your cheek or chin it is. it will show every spring. So if you use a 50 sun block for 6 months you can avoid this livelong problem.