Bigen Semi-Permanent Hair Color #NB2 Natural Black 3 ozNow with Coconut, Argan and Maracuj Oils. Safe for all hair types – including chemically treated and relaxed hair. Bigen Semi-Permanent Hair Color leaves hair shiny, soft and beautiful with excellent gray coverage.Bigen Semi-Permanent Color is an oil-rich, cream formula. Our creamy blend of oils nourishes and conditions while it colors, and helps your hair to retain moisture for a silky, healthy appearance even under dry conditions.