AT SIENNA NATURALS, WE'RE CHANGING THE CONVERSATION ON TEXTURED HAIR AND CREATING A NEW KIND OF EMPOWERED HAIR REGIMEN | WE'RE CLEAN HAIR CARE THAT WORKS Regardless of how you want to express yourself through your hairstyles, we think you should always have a way to get back to your best hair and your best scalp health. And we don't think anyone should have to choose between good hair and ingredients that are good for you and the planet. As a result, our products are always free of harsh sulfates, parabens, silicones, phthalates, petroleum, mineral oil formaldehyde, and artificial fragrances. Clean hair care that works.