Why is it important to restore the hairs PH balance after colouring and lightening?

Restoring the hair's pH balance after coloring and lightening is crucial because these processes can disrupt the natural acidity of the hair, leading to cuticle damage and weakened strands. A balanced pH helps to seal the hair cuticle, locking in moisture and color while enhancing shine and manageability. Additionally, maintaining the correct pH can reduce frizz and prevent further damage, promoting overall hair health. This step is essential for prolonging the vibrancy of color-treated hair and ensuring its long-term vitality.