Gummy Shiner Cream Green, shines and cares for your hair thanks to its Keratin content, and creates a brilliant luminous finish. Method Apply Gummy Shiner Cream Green massaging the desired amount into palms and style as you like. Why It Works Keratin is specially formulated to smooth coarse, curly and frizzy hair making it easier to straighten. A perfect solution for hair that reacts to humidity or heat. This formula is especially helpful if you have dry, brittle and unruly hair that resists hold.