http://howtodread.com/dreadlocks.html
"Neglect
You will need:
You do not need any products for this method. But if you use products your hair will dread faster.
Dread Wax (optional)
Residue Free Shampoo(optional)
If you use products I recommend the DreadHead Wax and Shampoo.
This is the real do it yourself no maintenance method. All you do is nothing. Maybe wash and wax your hair, just let your hair do what it's going to do and one day you should have dreads."