Wella Professionals Koleston Perfect permanent hair color in the shade 4/4 Medium Brown Red offers long-lasting, vibrant hair color with professional results. This 60 ml permanent hair color formula delivers rich, dimensional color with reliable coverage and consistent results. The product combines balanced warm brown and red tones, creating a medium brown shade with subtle reddish undertones that is suitable for various natural hair bases. Formulated with high-quality pigments and conditioning agents, it ensures even color distribution and maintains hair structure during the coloring process. The permanent color provides excellent gray coverage and color retention, with results typically lasting through multiple washes. Application requires mixing with a developer following standard procedures for professional hair colors. The compact 60 ml size offers enough product for most medium-length hair applications. Wella Professionals products are designed for salon-quality results, with this formulation intended to deliver predictable, wash-resistant color. The Koleston Perfect line represents a successor in Wella's professional hair color range, maintaining the brand's reputation for reliable performance and consistent color results. Suitable for home use by experienced users or professional application, it requires correct technique and adherence to safety guidelines. The product contains standard components of permanent hair colors and should be used with the appropriate developer according to the manufacturer's instructions. Results may vary depending on the starting hair color, condition, and application method. Store in a cool, dry place, and protect from direct sunlight. This hair color is formulated without gender-specific restrictions and is suitable for anyone seeking permanent hair color results.