Acidic Ph Sealer

The Redken Acidic pH Sealer is a salon-exclusive concentrated protein treatment for damaged and over-processed hair. It is the final step in the Redken acidic bonding concentrate system and is used after the Acidic Moisture Concentrate and Acidic Protein Amino Concentrate to seal the hair cuticle and lock in all treatment benefits.

The Redken Acidic pH Sealer seals the hair cuticle, locks in the benefits of the preceding treatment, and adds instant shine. With a pH of 3.0 to 4.0, it rebalances the hair's acidity after treatment, visibly reduces surface damage in a single use, and leaves hair feeling stronger, silkier, and more manageable.

The Redken Acidic pH Sealer can be used on all hair types. However, it is especially beneficial for people with damaged, over-processed, or color-treated hair that needs cuticle sealing, shine enhancement, and lasting treatment benefits after a professional acidic concentrate service.

The Redken Acidic pH Sealer is a salon-exclusive product best applied by a professional. After applying the Acidic Moisture Concentrate and Acidic Protein Amino Concentrate and leaving them on for five minutes, the professional will apply 10 to 15 pumps of the pH Sealer throughout the hair. It is then rinsed out thoroughly.

The Redken Acidic pH Sealer has a pH of 3.0 to 4.0, which is highly acidic. This ultra-low pH is what allows the sealer to close and seal the hair cuticle effectively after treatment. Sealing the cuticle locks in the benefits of the Acidic Moisture and Protein Concentrate treatments while adding instant shine.

The Redken Acidic pH Sealer is formulated with Citric Acid, which repairs and strengthens the hair.

Yes, the Redken Acidic pH Sealer is suitable for color-treated hair. Its acidic pH formula seals the hair cuticle after treatment, which helps lock in color and add shine. It is one of the most effective finishing steps for maintaining the vibrancy and health of color-treated or chemically processed hair.

When used as part of the full Redken acidic bonding care system with the Acidic Moisture Concentrate and Acidic Protein Amino Concentrate, the results of the Acidic pH Sealer can last up to a few weeks. Hair feels replenished, strengthened, silky, and shiny for several weeks after a single in-salon treatment.

The Acidic Moisture Concentrate is applied first to towel-dried hair to replenish moisture and nourishment. The Acidic pH Sealer is the final step applied after the concentrates to seal the cuticle, lock in all treatment benefits, and add instant shine. They serve different roles within the same three-step treatment system.

The Redken Acidic pH Sealer is designed to be used as the final step after the Acidic Moisture Concentrate and Acidic Protein Amino Concentrate. Using it alone without the preceding concentrate treatments might not deliver the same full results, as the sealer is specifically formulated to lock in the benefits of those treatments.