12 Working Sienna Naturals Promo Codes May-2026

About Sienna Naturals

Sienna Naturals is a clean haircare brand founded by Hannah Diop and co-created with Issa Rae, focused on developing high-performance products for textured hair and scalp health. The brand was created after years of research into safer, more effective haircare solutions that avoid harsh chemicals while still delivering strong results. Built around its “Rooted Technology™” approach, Sienna Naturals combines natural ingredients with modern cosmetic science to support hair growth, hydration, and scalp wellness. Known for being vegan, cruelty-free, and dermatologist-tested, the brand has become a trusted name in the clean beauty and textured haircare industry.