Yes, Greenway Formula 7 Head Lice Eliminator can be added to your shampoo for your hair. This product can be used every 14 days.
We apologize, but are not clear on what your exact question is. Greenway Formula 7 Head Lice Eliminator is labeled for head lice made of clove oil, almond oil, glycerin and purified water. It is an all natural and essential oil based ingredients that completely eradicate head lice in just 30 minutes or less. Please read the below article on Head Lice.
How to Kill Head Lice -http://www.domyownpestcontrol.com/how-to-kill-head-lice-a-389.html
No, we do not sell any permethrin products that can be used on skin or hair for lice or any other purpose. This would not be a safe application. We do sell Greenway Formula 7 Head Lice Eliminator which can be used safely on people and the environment. Please see our Lice Control Page for more information (scroll down below the products for the article).
