Ryo Scalp & Volume Shampoo (400ml) is a Korean herbal formula designed to strengthen roots, relieve itchy scalps, and provide 24-hour volume for thin/lifeless hair. It uses natural ingredients like ginseng and caffeine for care. It is suitable for daily use to promote a healthier, fuller, and more resilient scalp.Ryo Scalp & Volume Shampoo is suitable for colored, chemically treated, and sensitive hair. Its gentle, slightly acidic, and silicone-free formula focuses on nourishing the scalp and boosting volume without stripping hair color or causing dryness.Recommendation: While safe, it is specifically designed for scalp health and volume rather than color protection, but it won't damage or rapidly fade color.