Cleo Cora Caffeine Shampoo - Hair Growth Shampoo with Rosemary Oil/Biotin/Argan. NEW CAFFEINE SHAMPOO FOR HAIR GROWTH - Designed to stimulate and deeply nourish the scalp, Cleo Cora Caffeine Shampoo uses a blend of 13 active ingredients to naturally encourage thicker, fuller, stronger hair from root to tip.