Advanced technology 4.0 Medium Brown hair dye , belonging to the Valquer's professional range of permanent hair color . Its vegan and premium formula incorporates two powerful active ingredients for hair care and repair: Arginine and Vplex , offering intense color without compromising hair health.

Recommended by dermatologists , this professional hair dye has been specially developed to provide vibrant color, total gray coverage and superior shine , while protecting and strengthening the hair fiber from its deepest structure.

Main features

• Dye 4.0 Medium Brown – professional permanent hair color.

• Vegan formula with no harsh ingredients .

• Vplex Technology : complex rich in cysteines and sulfur amino acids.

• Arginine : strengthens the hair fiber from within.

• 100% gray hair coverage with maximum duration.

• It protects the cuticle from structural damage.

• Result: uniform, intense and long-lasting color .

• Coloring cream texture that is easy to apply.

Key benefits

• Medium brown tone with a professional and natural finish.

• Long-lasting and stable color , even after multiple washes.

• It provides superior shine , softness, and vitality.

• Revitalizes and restructures the hair fiber during the coloring process.

• It minimizes damage to the cuticle , preserving the health of the hair.

• Ideal for sensitized or gray hair.

• Designed for professional use in hairdressing .

Key ingredients and action

• Vplex: An innovative complex rich in cysteines and sulfur amino acids that works by repairing and strengthening the hair structure from within, providing resistance and protection.

• Arginine: A low molecular weight amino acid that strengthens the hair fiber , improves keratin cohesion, and contributes to a more structured and healthy fiber.

• Creamy coloring base: Facilitates the uniform application of the pigment and optimizes the penetration of the active ingredients for a homogeneous result.

Why choose this product?

Because it combines cutting-edge professional coloring technology with a vegan, hair-fiber-friendly formula designed to achieve exceptional results without compromising hair health. Vplex technology restructures and protects the cuticle from within, while Arginine strengthens the hair fiber from the inside out. With complete gray coverage, intense and long-lasting color , and superior shine , this dye is a reliable and effective choice for discerning stylists seeking a professional finish with advanced hair care.