acid PH closes the hair cuticles and alkaline PH opens it shampoo is more alkaline and conditioner is more acidic
The higher the Alkaline the more damaged you hair cuticles become; so they raise up. Acid closes the cuticles and alkaline opens them.
Normal gastric acid levels (stomach acid) falls between 1.5 and 2.
Alkaline is considered to have a ph of 7.0 .. becoming more alkaline is 7 or <.
the lower the pH the higher the hydrogen so acid 1-6 is higher in hydrogen compared to base 8-14. 7 is neutral