Bleach Developer L’Oreal Paris Blond Studio Nutri-Developer 40 vol 12% (1000 ml)

L’Oreal Paris Blond Studio Nutri-Developer 40 vol 12% (1000 ml) is a professional-grade bleach developer formulated to activate oxidizing powders and creams for effective lightening. Supplied in a 1000 ml bottle, this 12% developer provides consistent oxidation strength for high lift levels and controlled pigment removal. It is intended for use in salons or by trained colourists as part of a bleaching or lightening service before toning or depositing colour.

Advantages

This 40 vol developer offers reliable lifting power suitable for significant lightening while maintaining predictable processing times. The formulation is compatible with professional bleaching powders and lightening creams, ensuring even activation and consistent results across sections. The 1000 ml format supports multiple applications in a salon setting and reduces the need for frequent restocking.

Suitable for

• High-lift lightening of natural hair prior to toning
• Pre-lightening for vivid or pastel colour services
• Achieving strong lift levels on dark or resistant hair

Key specifications

• Oxidising strength: 40 volume (12%)
• Volume: 1000 ml
• Form: liquid developer for use with bleaching powders or creams
• Use: professional salon-grade product intended for hair lightening
• Compatibility: works with oxidising lighteners and toning products

How to use

Mix the Nutri-Developer with the chosen bleaching powder or lightening cream according to the lightener manufacturer’s recommended ratio. Apply to dry, unwashed or appropriately prepared hair as indicated by the lightener instructions. Monitor development regularly to achieve the desired lift level and minimise over-processing. Rinse thoroughly and follow with an appropriate tone or conditioning treatment.

Usage recommendations

Use only in professional settings or under the guidance of a trained colourist. Perform a strand and scalp sensitivity test before application. Adjust processing times and mixture ratios based on hair type, previous colour treatments, and the strength of the bleaching product used. Always follow safety precautions, wear suitable gloves, and avoid contact with eyes and skin.