L'Oréal Professionnel Blond Studio 9 20-Volume Oil Based Developer 1L

Oil-enriched formula for boosting the lift and predictable lightener result.

Optimal mixing and application attributed to its creamy consistency.

Achieve up to 9 levels of lift quicker and more accurate.

Perfect for application on scalp, length and ends of all technique.

Directions

1. Use exclusively with Blond Studio 9 Lightening Powder
2. Mix with ratio 1:1 to 1:3, depending on the technique
3. Process for Max 50 minutes
4. Rinse thoroughly until water is clear