How to make eco-friendly hair shampoo?

Simple shampoo that is easy to make and works great

Ingredients: 

1/4 cup water 
1/4 cup liquid olive-based soap 
1/2 teaspoon sunflower or other light vegetable oil

Directions:

 
Mix together all the ingredients. Store in a bottle. Use as you would any shampoo, rinse well.

If you want to lighten your hair, try the following Chamomile Shampoo, taken from the above site:

Ingredients: 

4 bags of Chamomile tea 
4 tablespoons pure soap flakes 
1 1/2 tablespoons glycerin

Directions:

 
Steep the tea bags in 1 1/2 cups of boiled water for 20 minutes. Remove the tea bags and discard. Add the soap flakes to the tea and let stand until the soap softens. Stir in glycerin until well blended. Keep in a dark, cool place in a sealed bottle.