L'Oreal Professionnel Paris Dia Color 1-Black, 50ml

What It Does
L'Oreal Professionnel Dia Color 1-Black is a semi-permanent hair color that gives your hair a rich, deep black tone with radiant shine. Designed with an ammonia-free formula, it gently deposits color while conditioning the hair, enhancing its natural texture and softness. This product blends greys seamlessly, refreshes faded tones, and adds dramatic depth to dull hair. Ideal for all hair types, Dia Color 1-Black delivers professional-quality results with minimal damage. Whether used in-salon or at home, this product ensures sleek, luminous black hair that lasts while keeping strands healthy and manageable.

Why You’ll Love It
You’ll love Dia Color 1-Black for its bold, glossy finish and gentle, scalp-friendly formula. It offers intense black coverage without the harshness of traditional hair dyes, thanks to its ammonia-free base. Perfect for those looking to achieve a classic, rich black tone or cover greys naturally, this product enhances shine while preserving hair softness. Easy to apply, low in odor, and suitable for frequent use, it delivers flawless, long-lasting color with minimal commitment. Whether refreshing your color or going for a full transformation, it’s a reliable choice for bold, beautiful hair.

Volume/Quantity
50ml – Convenient size suitable for a full-head application or touch-ups.

Hair Type/Concerns
Formulated for all hair types and textures, Dia Color 1-Black is especially beneficial for individuals with scalp sensitivities or concerns about harsh chemicals. Its gentle, ammonia-free formula reduces the risk of irritation and dryness while delivering bold results. This hair color is ideal for anyone experiencing dullness, fading, or early greying and looking for a sleek black finish that feels natural and soft. Whether you have thick, fine, curly, or straight hair, this product enhances color and shine without compromising comfort or scalp health.

Certification or Claims
L'Oreal Dia Color 1-Black is ammonia-free, cruelty-free, and dermatologist-tested, ensuring a safe and gentle experience for all users. It complies with European cosmetic safety standards and is used and trusted by salon professionals globally. The formula is enriched with conditioning agents to care for hair during the coloring process, maintaining moisture and softness. It’s ideal for users who seek a professional-grade, clean hair color solution that minimizes irritation while delivering lasting, vibrant results and a glossy finish.

Features and Benefits

• Ammonia-free formula for gentle, low-irritation application

• Intense black color with brilliant shine and depth

• Up to 70% grey blending with natural-looking results

• Enhances hair softness, smoothness, and manageability

• Easy to apply and evenly distributes color

• Low-odor formulation for a more pleasant experience

• Professional-grade results at home or in the salon

• Fade-resistant formula for longer-lasting tone
  Dia Color 1-Black combines bold results with hair care to give you color and confidence in one step.

Ingredients
L'Oreal Dia Color 1-Black features a nourishing blend of active ingredients including Ionène G™ and Incell™, designed to strengthen and protect the hair fiber throughout the coloring process. These are paired with emollients and conditioning polymers that ensure softness, shine, and manageability. The no-ammonia formulation is created to be gentle yet effective, offering deep pigment penetration without the damaging effects of harsh chemicals. Each ingredient is selected to deliver rich, vibrant color while maintaining the hair’s natural health and texture.

Ingredient Benefits

• Ionène G™ strengthens the internal structure of hair, improving resilience

• Incell™ helps restore the hair’s lipid barrier and smoothens the cuticle

• Conditioning agents maintain softness and hydration during coloring

• No ammonia reduces irritation and supports scalp comfort

• Shine boosters reflect light for a radiant, glossy black finish

• Gentle surfactants help distribute color evenly and rinse clean
  This formula not only delivers stunning results but also nurtures your hair from root to tip.

How to Use It
Mix L'Oreal Dia Color 1-Black with the recommended Dia Activateur in a 1:1.5 ratio. Apply to dry, unwashed hair, starting from the roots and working through the ends. Allow to process for 20 minutes, then rinse thoroughly without shampoo. Finish with a nourishing conditioner. Perform a patch test 48 hours before application. Use gloves for safety. This versatile product is ideal for root touch-ups, full-color applications, or tone refreshes. The creamy texture ensures smooth application and even, streak-free color that leaves hair vibrant, soft, and intensely black.

Clinical Results
92% of users reported visible shine and smoother texture. 88% experienced natural grey coverage, and 85% noticed enhanced softness after a single application.