Shikai - Color Reflect PlatinumShampoo - 8 oz. (237 ml) Shikai Color ReflectPlatinum Shampoohighlights cool tones in blonde, silver, and platinum hair. The Platinum Shampoo uses a blue malva flower extract and behaves in a similar way to a traditional bluing agent. It covers unwanted yellow hues, and makes gray hair appear brighter, shinier, and more silver in appearance. This.