L'OREAL 9 Oil Developer 30-Volume 33.8 oz

What It Is

Blond Studio 9 Oil Developer 30-Volume (9%) is a professional, oil-enriched developer designed exclusively for use with Blond Studio 9 Lightening Powder. This advanced, high-performance developer works synergistically with the lightener to deliver clean, even lift while maintaining hair softness and strength.

What It Does

• Optimizes lift and lightening performance when paired with Blond Studio 9 Lightening Powder for up to 9 levels of lift.
• Oil-enriched formula enhances shine and improves the overall condition of the hair fiber during the lightening process.
• Provides a smooth, creamy consistency for easy mixing and controlled application.
• Ensures even saturation and predictable results from root to tip, ideal for professional blonding techniques.
• Designed for off-scalp use—perfect for balayage, highlights, and global lightening on lengths and ends.

What Else You Need to Know

• Use only with Blond Studio 9 Lightening Powder for optimal performance and hair protection.
• 30-Volume (9%) Developer – Recommended for lengths and ends only (not for on-scalp use).
• 20-Volume (6%) Developer – Recommended for on-scalp, lengths, and ends applications.
• Processing time: Up to 50 minutes depending on technique, hair type, and desired level of lift.
• The oil-based technology helps maintain hair integrity while achieving cleaner, more even blonding results.
• Professional use only.
• Packaging may vary due to L’Oréal Professionnel’s ongoing sustainability and design updates.