Possible way to protect hair from conventional peroxide damage

[ktani]

Here is a concise article on hair colour basics. It goes into detail about colour levels and pigment, types of hair colour and has a clickable colour chart to illustrate what is discussed.
http://www.cityline.ca/fashionandbea...r+How-to's

Factors that influence changing an existing hair colour.
http://forums.longhaircommunity.com/...postcount=2342