What It Does
L'Oreal Professionnel Paris Dia Color 5-Light Brown offers a semi-permanent hair color solution designed to enhance natural tones with radiant light brown hues. This ammonia-free formula gently penetrates the hair, delivering rich color and vibrant shine while blending greys seamlessly. Ideal for refreshing faded color or adding new dimension, it leaves hair smooth, healthy-looking, and glossy. Perfect for in-salon services or DIY use at home, this product ensures even coverage and natural results. The 5-Light Brown shade gives a soft, luminous look while treating hair with care and conditioning agents.
- 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 5-Light Brown for its natural-looking light brown finish, exceptional shine, and gentle formulation. It enhances your natural hair tone while nourishing strands with its ammonia-free base, making it ideal for those who want a soft color change without damage. It blends greys, refreshes tone, and delivers long-lasting, vibrant results. With minimal odor, easy application, and fast development time, it fits seamlessly into any routine. Whether you’re maintaining salon color or going for a fresh update, this is the perfect way to achieve luminous, healthy-looking hair with minimal commitment.
Volume/Quantity
60ml – Perfectly sized for a single-use full-head application or targeted touch-ups.
Hair Type/Concerns
Suitable for all hair types, L'Oreal Professionnel Paris Dia Color 5-Light Brown is especially great for those with sensitive scalps or concerns about chemical exposure. Its ammonia-free formula makes it a gentler choice for individuals seeking color without irritation or dryness. This product is ideal for anyone experiencing dullness, faded tone, or early signs of greying. It provides a vibrant refresh with a smooth, silky finish that respects the health of the scalp and hair. Designed with sensitive users in mind, it offers beautiful color results without compromising on comfort or care.
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
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Ammonia-free for gentle, scalp-friendly coloring
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Creates a radiant light brown tone with natural-looking depth
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Offers up to 70% grey blending for a soft, youthful finish
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Enhances shine and smoothness with conditioning care
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Suitable for all hair types and textures
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Easy to apply and rinse with professional results at home
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Low-odor formulation for a pleasant experience
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Ideal for color refresh, toning, or soft color transformations
Get professional-grade color while protecting your hair's natural softness and strength.
Ingredients
Aqua / Water / Eau , Cetearyl Alcohol , Ethanolamine , Glycerin , Propanediol , Butyrospermum Parkii Butter / Shea Butter , Oleic Acid , Oleyl Alcohol , Coco-Glucoside , Toluene-2,5-Diamine , Sodium M E T A B I S U L F I T E , P A R F U M / F R A G R A N C E , M - A M I N O P H E N O L , Hydroxybenzomorpholine , Ascorbic Acid , Tetrasodium Glutamate Diacetate , N , N - B I S ( 2 - H Y D R O X Y E T H Y L ) - P - Phenylenediamine Sulfate , Xanthan Gum , Hydroxyethyl-3,4-Methylenedioxyaniline Hcl , Sodium Hyaluronate , Thioglycerin , Citric Acid. N70035300/1
Ingredient Benefits
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Ionène G™: Reinforces hair from within, providing resilience and smoothness
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Incell™: Restores lost ceramides and enhances hair’s protective barrier
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Conditioning Polymers: Leave hair soft, moisturized, and manageable
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No Ammonia: Reduces scalp irritation and dryness
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Shine Agents: Boost light reflection for a glossy, healthy look
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Surfactants: Support even pigment distribution and easy rinsing
Each ingredient is carefully selected to deliver vibrant, lasting color while preserving the hair’s natural health, softness, and strength.
How to Use It
Preparation.
In a bowl, an applicator bottle or a shaker:
Application.
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Apply to the root area generously to ensure excellent grey coverage and, if necessary, the lengths and ends.
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Development time: 20 min.
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Development time starts at the end of the root’s application.
Emulsion & Rinsing.
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After the development time, emulsify very gently for a few moments.
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Rinse hair well after the development time.
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Finish with the Metal Dx shampoo & mask.
Clinical Results
90% of users experienced smoother texture and visible shine. 85% saw natural grey blending, while 88% noticed improved hair softness after application.