Serum biotic [ISO] contains una An optimized blend of pre-, pro-, and post-biotic molecules with hydrating and soothing properties. This blend aims to strengthen and normalize the skin's microbiota, the main guarantor of the skin's ecosystem balance. RICHEMBONE, Microbiota, Natural Biological Shield, helps protect the skin from environmental factors and thus slows the premature aging process. Thanks to its composition (>92% natural ingredients of organic origin), it is a natural, effective, and effective skin care product. naturale) and its fresh, melting texture, the [ISO] biotic serum is suitable for all skin types. A rebalancing treatment, it helps skin maintain or recover the key signs of cleansed, luminous, and even skin.