Schwarzkopf IGORA ROYAL Oil Developer (3%, 6%, 9%, 12%) The Schwarzkopf IGORA ROYAL Oil Developer is a high-performance professional oxidising cream designed exclusively for use with the IGORA ROYAL colour range. Formulated with an advanced Lipid Carrier System, it helps colour pigments penetrate effectively into the hair fibre for intense, long-lasting colour results with superior shine. The oil-enriched formula supports even colour distribution, improved coverage, and enhanced colour retention — delivering consistent, reliable salon performance. Available in multiple strengths to suit every colouring service. .premium-collapsible { border: 1px solid #e5e5e5; border-radius: 10px; overflow: hidden; margin: 25px 0; font-family: inherit; } .premium-collapsible details { border-top: 1px solid #e5e5e5; } .premium-collapsible details:first-child { border-top: none; } .premium-collapsible > details > summary { padding: 16px 18px; cursor: pointer; font-weight: 600; background: linear-gradient(90deg, #250971, #7b2ff7); color: #ffffff; list-style: none; position: relative; } .premium-collapsible > details > summary::-webkit-details-marker { display: none; } .premium-collapsible > details > summary::after { content: "+"; position: absolute; right: 18px; font-size: 18px; } .premium-collapsible > details[open] > summary::after { content: "−"; } .premium-collapsible .content { padding: 18px; background: #ffffff; color: #333333; } .premium-collapsible ul { padding-left: 18px; margin: 0; } .premium-collapsible li { margin-bottom: 8px; } Key Features Professional developer designed for IGORA ROYAL permanent colour Oil-enriched formula supports smooth application Enhances pigment penetration for intense colour results Helps deliver reliable, even coverage Available in 3%, 6%, 9% & 12% Optimised for long-lasting vibrancy and shine Salon professional use only Developer Strength Guide 3% (10 Vol) – Darker colouring, tone-on-tone results, selected white coverage 6% (20 Vol) – Standard permanent colour, up to 1–2 levels lift, white coverage 9% (30 Vol) – Up to 2–3 levels lift, stronger colour transformation 12% (40 Vol) – Maximum lift services (up to 4–5 levels depending on shade) How to Use Mix with IGORA ROYAL colour as directed Follow recommended mixing ratio (typically 1:1) Apply to dry, unwashed hair Develop according to shade instructions Do not exceed recommended processing time Rinse thoroughly and follow with suitable aftercare Why You’ll Love It Perfect colour performance with IGORA ROYAL shades Consistent and predictable salon results Improved shine and colour longevity Flexible strength options for all services Trusted by professional colourists worldwide