Blond Studio 9 20-Volume Oil Based Developer Hairspray Multi-use deep treatment hair mask

Multi-use deep treatment hair mask for taming frizz

Combo Superior Scalp Developer Ten Vol and 3 x Toner Rose Gold

including parabens

amino acids and silk

Blond Studio 9 20-Volume Oil Based Developer Hairspray Multi-use deep treatment hair maskL'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