blond studio 9 20 volume oil based developer $100 and under Provides up to 24 hours

Provides up to 24 hours of anti-humidity protection

thickness and a matte finish

Its semi-liquid texture allows for rapid absorption

gluten-free and phthalate-free

blond studio 9 20 volume oil based developer $100 and under Provides up to 24 hoursL'Oral 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 Use exclusively with Blond Studio 9 Lightening Powder Mix with ratio 1: 1 to 1: 3, depending on the