The Redken Acidic pH Sealer 250ml is a salon-exclusive, concentrated protein treatment, specially formulated for damaged or over-processed hair. This unique treatment balances the hair's pH and seals the cuticle, locking in treatment benefits and imparting instant shine.

Benefits:

• Formulated with an acidic pH of 3.0 4.0
• Helps balance pH levels in the hair
• Helps to seal the cuticle and increase shine
• Visibly reduces the appearance of surface damage in a single use*
• Formulated at salon expert concentration
• Suitable for colour-treated hair