
Hair Color 101: Why Salons Wash Your Hair After Applying Dye
The health of your hair is directly influenced by its pH balance. Hair color treatments often disrupt this balance, making strands more alkaline. An imbalanced pH can lead to dryness, brittleness, and increased frizz. This is why salons use pH-balancing shampoos and treatments after coloring—to bring the hair back to its natural acidity, which is essential for cuticle closure and overall strength.