Nioxin 3D Foam. 2 x 200ml. Nioxin Density Defend is designed specifically for colored hair, helping to preserve and strengthen its volume. This lightweight leave-in treatment dramatically reduces breakage while enhancing color vibrancy. Key Features: Reduces hair breakage. Improves color retention. Lightweight leave-in formula. Supports hair strength. Suitable for damp hair. To use, apply to damp towel-dried hair and do not rinse. With Nioxin Density Defend, achieve healthier, more vibrant colored hair that feels strong and full of life.