Alterna Caviar Bond Repair Leave In Treatment Protein Cream. Why should I rebuild and repair my extremely damaged bleached and over processed hair? By using Caviar Bond Repair Treatment Protein Cream you will reduce breakage by up to 99% and protect hair from future damage. How to use New Alterna Caviar Bond Repair Protein Cream - work through your washed and conditioned hair whilst it is still damp. Do not rinse out of your hair and style as usual. Why should I use a hair treatment on my hair? Use 1 to 3 times per week depending on how damaged your hair is. Why should I leave a hair treatment in my hair? Because if you rinse this treatment out you are not allowing your hair to receive the full benefits of the Caviar Bond Repair Leave-in-Treatment Mousse.