Addendum Salon is a luxury hair destination located in coastal North County San Diego, specializing in premium extensions and custom color. Our team of master-level artists takes a thoughtful, personal approach to every guest, blending technique with intention to deliver seamless, refined results. As San Diego's first salon with a complete, proprietary line of luxury hair extensions — including Wefts, Tapes, and K-Tips — we maintain full control over quality and application. We also curate top-tier product lines like Milbon and Oribe, and have developed our own product collection. From dimensional balayage to precision cuts, every detail at Addendum reflects our unwavering commitment to artistry, integrity, and innovation.