Answer:
The correct answer is - acid balanced waves.
Explanation:
Acid balanced waves are the permanent waves that have neutral pH level or the pH value of 7.0 due to the higher pH. These type of hair does not require heat for drying their hair as they process very quickly.
These type of perm is required for the porous hair to dry out by their selves without harming the hair. This is low ammonia and natural damage free perm that helps in hair to be bouncy and moderate waves.
Thus, the correct answer is - acid balanced waves.