Biophil is ph balanced 2.6 & designed to bring hair back to its natural state, supplying it w/ the substances it loses during chemical treatments.Biophil utilizes organic products & amino acids that have an immediate effect.All chemical hair treatments (permanents, removal of coloring, dyeing & straightening ) raise the ph level, tending to alter the normal acidity of the hair & skin & quickly resulting in imbalances to the life of the hair itself.Biophil restores ph balance to hair by closing the cuticle & color is sealed in for longer lasting results.This five minute treatment will produce shiny, healthier hair & help maintain color.Good for all hair types.Also good for balancing scalp conditions.