What It Does
L'Oreal Professionnel Paris Dia Color 3-Dark Brown is a semi-permanent hair color that delivers intense, deep brown tones with radiant shine. Its ammonia-free formula gently deposits color while maintaining the hair's natural softness and strength. It provides up to 70% grey blending and enhances overall hair tone with a multi-dimensional, rich dark brown finish. This salon-quality color works well for refreshing faded color, toning, or subtle changes. The conditioning base keeps hair healthy, manageable, and lustrous. Suitable for both professional and at-home application, this product transforms your hair with depth, vibrancy, and silky smoothness.
- 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 L'Oreal Professionnel Paris Dia Color 3-Dark Brown for its ability to deliver rich, luxurious dark brown color without damage. The ammonia-free formula is gentle on the scalp and hair, making it ideal for those who want natural-looking results with minimal irritation. It enhances shine, blends greys, and adds a beautiful depth that looks effortlessly natural. Whether you're covering greys or refreshing your shade, this formula gives soft, reflective results and long-lasting vibrancy. Easy to apply and with a low-odor texture, it’s perfect for home users and salon professionals alike.
Volume/Quantity
60ml – Ideal for one full-head coloring session or targeted touch-up application.
Hair Type/Concerns
This product is formulated for all hair types and textures. It is especially suitable for those with sensitive scalps or individuals who experience irritation from traditional hair dyes. Its gentle, ammonia-free composition is perfect for anyone dealing with early greying, dullness, or faded color. The conditioning formula ensures that hair remains soft and manageable after coloring. Whether you’re seeking a subtle transformation or full color coverage, it works beautifully to enhance hair without compromising its health or shine.
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 for gentle, scalp-friendly color
-
Rich, dark brown shade with high shine and depth
-
Up to 70% grey blending for a natural finish
-
Enhances softness and manageability
-
Ideal for refreshing tone or a subtle hair makeover
-
Professional-grade results at home or in the salon
-
Low-odor and easy-to-apply cream texture
-
Lasting tone that fades evenly and beautifully
It’s your go-to for vibrant, low-maintenance color that keeps your hair looking and feeling its best.
Ingredients
Aqua / Water / Eau Cetearyl Alcohol Ethanolamine Glycerin Propanediol Butyrospermum Parkii Butter / Shea Butter Oleic Acid Oleyl Alcohol Coco-Glucoside Parfum / Fragrance Sodium Metabisulfite Toluene-2,5-Diamine Hydroxybenzomorpholine Ascorbic Acid Tetrasodium Glutamate Diacetate Xanthan Gum M-Aminophenol N,N-Bis(2-Hydroxyethyl)-P-Phenylenediamine Sulfate 2-Amino-3-Hydroxypyridine Sodium Hyaluronate Thioglycerin Citric Acid
Ingredient Benefits
-
Ionène G™ strengthens and protects inner hair fibers
-
Incell™ restores the hair’s surface and improves resilience
-
Conditioning agents keep hair soft, shiny, and tangle-free
-
Surfactants promote smooth, even application and rinsing
-
No ammonia means less irritation and a more comfortable experience
-
Shine enhancers reflect light for a glossy, luminous finish
Together, these ingredients nourish and protect your hair while delivering salon-worthy color.
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.
Results
90% of users reported shinier, healthier-looking hair. 85% noticed smoother texture and improved manageability. 88% experienced effective grey blending with natural results.