PULA Powder Shampoo puls [Fulvic Acid Powder & Watercress, Hyaluronic Acid] Head Spa Specialist PULA A moisturizing powder shampoo that is gentle on the scalp and hair, derived from natural sources. This shampoo is very gentle, as it is free of preservatives, additives, animal ingredients, chemical fragrances, coloring agents, and surfactants. Please use it if you have a constitution that does not agree with the surfactants in liquid shampoos, or as a rest day for your scalp twice a week. Please also refer to the ingredients for handmade powder shampoo.