Syoss Color Permanent Hair Dye Medium Brown 4-1
Code: L00162Product detailed description
Natural medium brown colour with long-lasting intensity and reliable grey coverage
Syoss Color Permanent Hair Dye Medium Brown 4-1 gives the hair a natural and elegant medium brown shade with long-lasting colour intensity for up to 10 weeks. The permanent colour formula has been developed and tested by professional hairdressers. Its combination of SalonPlex technology and keratin allows concentrated colour pigments to penetrate deep into the hair fibre while helping to reduce breakage and protect the hair structure during colouring. The hair dye provides up to 100% grey coverage and leaves the hair evenly coloured, glossy and professionally finished as if freshly coloured at a salon. Shade 4-1 is suitable for light brown to dark brown hair. The final result may vary depending on the original hair colour and the condition of the hair.
Ingredients
- After-colour care conditioner: Aqua (Water, Eau), Cetearyl Alcohol, Behentrimonium Chloride, Dimethicone, Amodimethicone/Morpholinomethyl Silsesquioxane Copolymer, Magnesium Citrate, Magnesium Chloride, Hydrolyzed Keratin, Polyquaternium-37, Steardimonium Hydroxypropyl Hydrolyzed Keratin, Panthenol, Isopropyl Myristate, Glyceryl Stearate, Citric Acid, Phenoxyethanol, Stearamidopropyl Dimethylamine, Isopropyl Alcohol, Sodium Methylparaben, Parfum (Fragrance), Dicaprylyl Carbonate, Laureth-23, Laureth-4, Sodium Hydroxide, Linalool, Hexyl Cinnamal, Sodium Chloride, Salicylic Acid, Trideceth-5, Lauryl Glucoside, Sodium Sulfate.
- Developer emulsion: Aqua (Water, Eau), Hydrogen Peroxide, Cetearyl Alcohol, PEG-40 Castor Oil, Etidronic Acid, Sodium Cetearyl Sulfate, 2,6-Dicarboxypyridine, Disodium Pyrophosphate, Potassium Hydroxide, Sodium Benzoate.
The formula with hydrolysed keratin and SalonPlex technology helps strengthen bonds inside the hair fibre and supports a stronger hair appearance during and after colouring. Concentrated colour pigments penetrate deep into the hair, helping to create an even, intense and long-lasting colour result.
Benefits
- Colours the hair in a natural medium brown shade with intense, long-lasting results for up to 10 weeks.
- Provides up to 100% grey coverage for a more even overall colour.
- Concentrated pigments penetrate deep into the hair fibre.
- SalonPlex technology helps restore damaged bonds within the hair structure.
- Keratin helps smooth the hair cuticle and supports shine and strength.
- Helps reduce hair breakage by up to 80% compared with the condition of the hair before colouring.
- Delivers a professional-looking colour result similar to salon colouring at an affordable price.
Directions for use
Read the enclosed instructions carefully before use. Put on the supplied gloves and mix the colour cream with the developer emulsion according to the manufacturer’s directions. Apply the mixture evenly to dry hair, leave it on for the specified development time and then rinse thoroughly with water. After colouring, use the included care conditioner to nourish and soften the hair and help maintain the colour for longer.
Country of origin
- Country of manufacture: Austria.
- Country of brand registration: Germany.
Warnings
- Always carry out an allergy alert test 48 hours before each use, even if you have previously used hair colour products.
- This product contains ingredients that may cause an allergic reaction in some individuals.
- Do not use to colour eyelashes or eyebrows.
- Do not use if the scalp is irritated, damaged or affected by a skin condition.
- Avoid contact with the eyes. If the product gets into the eyes, rinse immediately and thoroughly with clean water and seek medical advice if necessary.
- Wear suitable protective gloves throughout mixing and application.
- Keep out of reach of children.
- Use only in accordance with the manufacturer’s instructions.
Syoss Color Permanent Hair Dye Medium Brown 4-1 is an excellent choice for anyone seeking natural-looking, long-lasting colour and reliable grey coverage at home. With SalonPlex technology, keratin and professional colour pigments, it helps deliver smooth, glossy and evenly coloured hair with a salon-inspired finish.
Additional parameters
| Category: | Hair Dye Products |
|---|---|
| EAN: | 9000100632744 |
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Syoss – The secret to salon-quality hair care at home
Syoss is a professional hair care brand from Germany, developed by top hairstyling experts. With the promise of delivering “salon-tested results” right at home, Syoss has become a trusted choice for millions looking for high-quality Syoss hair care products.

Deep care and effective repair for damaged hair
Whether your hair is dry, chemically damaged, or prone to breakage, Syoss offers tailored solutions for every hair concern. The products are enriched with keratin and proteins that help rebuild hair structure from within, leaving it stronger and noticeably smoother. From intensive repair and moisture to color protection, Syoss has the right range for your hair type.
Especially Syoss hair dyes are a perfect choice for those who love changing hair color while keeping their hair soft, shiny, and healthy. Thanks to advanced coloring technology combined with nourishing ingredients, you get vibrant, even, and long-lasting results with minimal damage.

Refined fragrance for a relaxing salon-like experience
Beyond effectiveness, Syoss offers a luxurious experience – with elegant scents that linger in your hair all day long, leaving you refreshed and confident. Every wash becomes a self-care ritual, bringing you energy and a moment of calm right in your bathroom.

European quality you can trust every day
All Syoss products are manufactured and tested according to strict European standards, ensuring high quality and safety. It’s a smart investment that keeps your hair healthy and beautiful – without the need for costly salon visits.

Let Syoss be your everyday companion in caring for and elevating your hair beauty. Whether you're looking for Syoss hair dyes or Syoss hair care products for intensive repair, Syoss has what you need. Shop now and feel the difference – shine with confidence in every moment!
