IGK Pay Day Instant Repair Shampoo in Beauty: NA. IGK Pay Day Instant Repair Shampoo in Beauty: NA. Our new restorative shampoo treats fragile, damaged, over-processed hair to 360-degree repair. Boosted with clean, clinically-proven Vegan Silk and Biomimetic Bond-Building Technology to reduce breakage and increase strength from the inside out for softer strands and healthier-looking hair all around.. Suitable for straight, wavy, and curly hair. Safe for chemically treated hair.. Vegan and cruelty free. Free of parabens, gluten, and sulfates. 8 oz/ 236 mL. Apply to wet hair, lather, rinse.. IGKR-WU23. G1SHPDRP08A1.