Quote Originally Posted by Trippy420
some places sell 40 volume...... all of them do sell 30 volume but like i said depending on how dark your hair is go with the higher volume

I'd agree if we were using this product for its' intended purpose.

But, we are trying to destroy thc metabolites, and my belief is that stronger is better...
Jerry G Reviewed by Jerry G on . Pass a hair test by Jerry G... This method is not fool proof, but does have a very high(90%+) success rate. THC metabolites are stored in the cortex of the hair strand. The cortex is protected by a layer of scales called the cuticle. To strip the metabolites from the cortex, the cuticle needs to be opened and penetrated. Basics open the cuticle due to their PH levels above 7. Baking soda, bleach, and ammonia are all are strong basics that help to open the cuticle. Shampoos like Toxin Wash and Zydot contain strong Rating: 5