Matrix Instacure Build-A-Bond Instant Revival Liquid Mask – 9.4oz is a fast-acting treatment that strengthens and revives damaged, over-processed hair in just 60 seconds. Formulated with citric acid and liquid proteins, this lightweight mask helps reinforce weak bonds, reduce breakage, and improve manageability without weighing hair down. Perfect for chemically treated or fragile strands, it leaves hair smoother, shinier, and visibly healthier after every use.