This leave-in serum strengthens the lengths and increases the diameter of the hair fiber for a visibly denser appearance. Formulated with the Izumi complex, this Shu Uemura serum offers a unique sensory experience with its delicate fragrance and lightweight texture. It quickly penetrates the hair to fortify it from within, while providing a visible volumizing effect.


Shu Uemura's Izumi Tonic Thickening Serum is suitable for all hair types and can be used daily for optimal results. It helps reduce hair loss, prevents breakage, and enhances the density and volume of your hair.