Tigi S Factor Wonderful Tonight Treatment. The overnight treatment for damaged, dry and depleted hair in need of intense repair. Overnight Treatment for Damaged, Dry and Depleted Hair in Need of Intense Repair. Be beautiful by morning. This overnight hair treatment. Helps improve the condition of damaged hair. Contains Keravis, a natural plant protein, which helps make bleached hair 3 times stronger than using a conditioner alone. Contains TIGIs Luxury Complex with diamond powder, cashmere extract, champagne extract and pearl powder.