Redken Acidic Bonding Concentrate Professional Strength Concentrate Acidic Protein Amino Concentrate (Box Slightly Damaged) 10x10ml 0.33oz Size:10x10ml 0.33oz middle half of the brush Size:320g 11.3oz middle half of the brush The hole provides ventilation & helps promote drainage after the brush has been washed Prevents any bacterial growth that could occur with pooling water on the inside of the brush Size: 7 Acai Berry face mask treatment hydrates and helps smooth fine lines and wrinkles improves conditioning & adds shine For professional prescription The quality of this item in a slightly damaged box is as fresh & genuine as the original packing A repairing in salon treatment for damaged or over processed hair Customizable with Redken's Acidic Moisture Concentrate to provide solutions for their specific hair needs Formulated with 9% Cationic & Amino Acids to improve strength & provide protein repair Helps seal the cuticle