Do you have a Petco, Petsmart, Pet Store (even a small store), or as mentioned a grocery store? They should carry basic (low cost) dog shampoo and conditioners.
I'm sure DOC will chime in, but I wouldn't recommend using human hair shampoo on a dog.
Here is a google search using "is human shampoo good for dogs"; this is what the search showed;
https://www.google.com/search?q=is+human+shampoo+good+for+dogs&oq=is+human+sham&aqs=chrome.1.69i57j0l5.9340j0j7&sourceid=chrome&ie=UTF-8Here is a link to the AKC's answer to;
Can You Use Human Shampoo on Dogs?http://www.akc.org/content/dog-care/articles/human-shampoo-on-dogs/Pops