Milk Shake Smoothies Semi-Perm - Ammonia-free Hair Dye 100ml 5.1 | 5A is una a professional hair dye with a delicate Jasny Popielaty BrÄ z (light ash brown) color. The ammonia-free formula ensures a treatment that respects the hair fiber, reducing sensitivity and irritation, ideal for those who want vibrant color without sacrificing scalp well-being. The semi-permanent shade gives natural and luminous highlights, perfect for refreshing the look with a gradual and adjustable effect. Easy to apply, this dye adapts to diverse color bases, offering even and long-lasting results for up to 15-20 washes. Milk Shake combines technology and care, making every treatment a pleasant and professional experience for soft, silky, and radiant hair.