L’Oreal Blond Studio 20 Vol Oil-Developer 1000ml is an oil by L’Oréal, listed in our Developers range. Developer activates colour and lightener; its volume, or percentage, sets how much lift and processing power the mix has.
At a glance
- Brand: L’Oréal
- Product: Blond Studio 20 Vol Oil-Developer
- Size: 1000ml
- Category: Hair Colour › Developers
Good to know
- 10 vol (3%) is usually for deposit and toning; higher volumes give more lift.
- Measure accurately with scales or a measuring bottle.
- Keep the cap on and store away from heat.













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