Spirulina is a blue-green algae that contains an abundance of vitamins and minerals that are beneficial for skin, hair, and nails. Our spirulina powder contains vitamin B12, vitamin F, natural beta carotene, and iron. Spirulina is also rich in anti-inflammatory properties and has been associated with maintaining a healthy immune system. When you use our spirulina powder in homemade soaps, it provides a natural green color that helps it stand out from other soaps.