Long-lasting color: Helps lock in color for up to 100 days, protecting against fading. Five-dimensional color protection: Works to protect and enhance shine, saturation, contrast, tone, and brightness. Repairs and strengthens: Penetrates the hair fiber to help repair inner damage and strengthens the hair structure. Improves hair quality: Leaves hair feeling smoother, softer, and more manageable with a high-gloss shine. Nourishes and softens: Provides moisture and leaves hair feeling soft and supple.