Milk Shake Smoothies Semi-Perm - Ammonia-free Hair Dye 100ml 9 | 9N is a una semi-permanent hair dye with a gentle formula, free of ammonia, ideal for those who want a bright color change without damaging the hair fiber. The 9 | 9N shade, very light and natural, gives brilliant highlights and una even coverage, enhancing the brightness of the blonde without an artificial effect. Thanks to the innovative technology of Milk Shake, the product nourishes and protects the hair during application, leaving it soft, silky, and full of vitality. Very easy to apply, this dye is perfect for those seeking a professional, long-lasting result with particular attention to hair wellness and sustainability.