SIV ™ Biome Balancing Serum The Spore-Based Biome Balancing Serum is a topical formula that adapts to your unique skin microbiome, establishing a healthy skin foundation through quorum-sensing technology.

This personalized approach to skincare harnesses your biology to support and strengthen your skin’s ecosystem at its foundation, helping to build resilience and maintain a balanced skin microbiome. This serum is your go-to solution for hydrating, calming and soothing sensitive or irritated skin. 0.5 fl. oz/15 mL