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4D Oxidizing Cream 20 Vol. (6%). Achieve flawless colour results and reliable grey coverage with 4D Oxidizing Cream 20 Vol. (6%). Specially developed to work seamlessly with the 4D Hair Color System, this professional oxidizing cream delivers consistent colour performance while helping to nourish, soften, and protect the hair throughout the colouring process. Ideal for grey hair coverage and lifting the natural hair colour by up to 2 levels, its caring formula is enriched with Castor Oil, leaving the hair beautifully soft, healthy-looking, and full of shine after every colouring service. Active Ingredient: Castor Oil: Deeply nourishes and softens the hair while helping to protect the hair fiber throughout the colouring process. Benefits: • Designed for tone-on-tone colouring and colour bath techniques, • Ensures smooth, even colour development, • Nourishes and softens the hair during colouring, • Helps protect the hair fiber throughout the colouring process, • Leaves hair healthy-looking, soft, and shiny, • Perfectly matched for use with the 4D Hair Color System. How to Use: Mix with K89 Hair Color according to the recommended mixing instructions.
- Volume
- 851- and more ml
- Properties
- Nourishing
Shine enchancing
Softening - Collections
- 4D
K89 is a professional salon brand developed for hairdressers who see haircare as both a technical craft and a sensorial beauty experience. Inspired by a keratin-based heritage and shaped by the evolving needs of the salon market, K89 has built a complete ecosystem of products and services that support the professional at every stage of the client journey, from consultation and diagnosis to technical service, treatment ritual, styling finish and homecare recommendation.
The brand’s identity is rooted in the recovery and care of compromised hair, but its scope goes far beyond repair alone. K89 addresses the multiple demands placed on the modern hair fibre: colouring, thermal styling, environmental exposure, dehydration, porosity imbalance, loss of shine, curl irregularity and scalp discomfort. This makes the range especially relevant for salons that want to offer highly personalised services rather than one-size-fits-all routines. Within the K89 universe, hairdressers can combine cleansing, conditioning, nourishment, restructuring, curl definition, scalp balancing and finishing performance in a way that feels coherent, practical and commercially strong.
K89 stands out through a salon-minded vision of beauty. Its portfolio is designed to integrate smoothly into professional workflows, whether the service focus is colour enhancement, texture management, intensive care, curl specialisation or scalp expertise. Products are conceived to help create polished results with cosmetic impact: smoother fibre, softer touch, better control, luminous shine, improved manageability and a healthier-looking finish. For the stylist, this means greater versatility at the chair; for the client, it means a more bespoke, results-driven experience.
The brand also embraces education as an essential part of professional growth. K89 is not only about formulas on the shelf, but about strengthening the service culture of the salon. Through training linked to colour, texture, curly protocols, scalp care and treatment categories, the brand supports hairdressers in refining technique, understanding hair behaviour and building higher-value services. This educational dimension reinforces K89’s position as a working tool for professionals who want to specialise, differentiate and keep their offer aligned with contemporary salon trends.
Another key strength of K89 is its ability to move between technical performance and emotional appeal. In the salon environment, clients increasingly expect products that deliver more than a temporary cosmetic effect. They want ritual, confidence, comfort and visible transformation. K89 answers this expectation with a professional approach that values diagnosis, protocol and consistency, while still preserving the sensorial dimension that makes a salon service memorable. Texture, slip, fragrance, finish and immediate cosmetic feel all play a role in the overall perception of quality.
Ultimately, K89 represents a contemporary vision of professional hairdressing: expert yet accessible, treatment-led yet commercially viable, trend-aware yet grounded in real salon needs. It is a brand for professionals who want adaptable solutions across colour, care, curl, scalp and finish, while maintaining a strong focus on hair quality and client loyalty. In a market where performance and identity must go hand in hand, K89 offers hairdressers a credible, versatile and beauty-driven platform for modern salon services.
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