Chocolate Cocoa Natural Hair Coloring For Brunettes Cocoa makes for a deeper, richer brown. How it works: Honey moisturizes while acids in the yogurt (lactic) and vinegar (acetic) penetrate the hair shaft, allowing the cocoa's pigment to sink in. Natural acids open the cellular doors to the pigmented molecules and make the results more pronounced. Whip 1/2 cup cocoa powder, 1/2 cup plain yogurt, 1 teaspoon honey, and 1 teaspoon apple-cider vinegar into a paste. Shampoo hair, squeeze out the...
