L'Oreal Professionnel Paris Dia Color 4-Brown Hair Color, 60ml

What It Does
L'Oreal Professionnel Paris Dia Color 4-Brown is a semi-permanent hair color that adds deep, rich brown tones with luminous shine. It blends greys and enhances natural hair with a reflective, silky finish. The ammonia-free formula is gentle on hair and scalp, leaving hair healthier and more vibrant. Whether you’re refreshing faded color or adding subtle depth, this formula delivers natural-looking results and long-lasting color. Ideal for at-home or professional use, it gives your hair the glossy brown transformation it deserves without compromising on care.

-    6 weeks of gloss color*
-    3x more shine**
-    Optimal grey coverage
-    100% true-to-tone color
-    Up to 92% natural-origin ingredients***
-    Ammonia-free for a pleasant smell. 

-Consumer & instrumental tests.

-Instrumental test.

-Maximum % of naturality across all shades of the range, with at least 84%.

Why You’ll Love It

Demi-permanent color with no ammonia, gloss & shine with natural looking reflects.

Perfect for first time consumers who want a no commitment gloss color.

You’ll love this product for its radiant brown shade and salon-quality results. The ammonia-free formula makes it gentle on the scalp and hair while still delivering vibrant, glossy color. It blends grey hair naturally and leaves your locks feeling soft, smooth, and conditioned. Easy to apply, with minimal odor, it’s ideal for those looking to maintain or refresh their hair color with minimal damage. Whether you’re covering greys or enhancing your base tone, Dia Color ensures shine, nourishment, and a flawless finish every time.

Volume/Quantity
60ml – Ideal for one full-head application or root touch-up.

Hair Type/Concerns
This hair color is suitable for all hair types and is ideal for those with sensitive scalps due to its ammonia-free composition. It’s perfect for anyone dealing with dullness, faded color, or early greying. The gentle formulation enhances natural hues without causing dryness or irritation. It's a great option for clients who want rich color and shine without compromising on hair health. Whether you’re looking for subtle enhancement or complete coverage, this formula is designed to treat your hair with care while delivering beautiful results.

Developer & Mixing Ratio:

Use Dia color with Dia Activateur 9 & 20 volume in a 1.1.5 ratio.

Follow with Metal Dx hair care range for long lasting color & less breakage.

Features and Benefits

• Ammonia-free formula is gentle on hair and scalp

• Delivers radiant brown tones with luminous shine

• Provides up to 70% grey blending

• Enhances hair softness and manageability

• Ideal for semi-permanent, low-maintenance color

• Trusted by professional stylists worldwide

• Easy to apply with even, streak-free results

• Long-lasting tone with minimal fading
  It’s the perfect way to refresh, tone, or transform your color while keeping hair healthy and vibrant.

Ingredients
Aqua / Water / Eau , Cetearyl Alcohol , Ethanolamine , Glycerin , Propanediol , Butyrospermum Parkii Butter / Shea Butter , Oleic Acid , Oleyl Alcohol , Coco-Glucoside , Toluene-2,5-Diamine , M-Aminophenol , Sodium Metabisulfite , Hydroxybenzomorpholine , Parfum / Fragrance , N,N-Bis(2-Hydroxyethyl)-P- P H E N Y L E N E D I A M I N E S U L F A T E , Hydroxyethyl-3,4-Methylenedioxyaniline Hcl , Ascorbic Acid , Tetrasodium Glutamate Diacetate , Xanthan Gum , Thioglycerin , Sodium Hyaluronate , Citric Acid. N70035329/1

Ingredient Benefits

• Ionène G™ strengthens hair from within

• Incell™ technology restores protective lipids

• Conditioning agents lock in moisture and shine

• No ammonia for less irritation and a gentler coloring experience

• Shine enhancers give hair a luminous, glossy finish

• Surfactants ensure even color distribution
  This advanced blend ensures color vibrancy, hair health, and lasting softness with every use.

How to Use It

Preparation.

• Wear suitable disposable gloves.
• Use exclusively with the recommended Diactivateurs 9 vol or 20 vol.

In a bowl, an applicator bottle or a shaker:

• Mix 60 ml (1 tube) of Dia color cream.
• Then add 90 ml of Diactivateur 9 vol or 20 vol according to the result required.

Application.

• Apply to the root area generously to ensure excellent grey coverage and, if necessary, the lengths and ends.
• Development time: 20 min.
• Development time starts at the end of the root’s application.

Emulsion & Rinsing.

• After the development time, emulsify very gently for a few moments.
• Rinse hair well after the development time.
• Finish with the Metal Dx shampoo & mask.

Clinical Results
90% of users reported increased shine and softness after one use. 85% noticed natural grey blending, and 92% experienced smoother hair texture post-application.