L’Oreal Blond Studio 30 Vol Oil-Developer 1000ml comes from L’Oréal and sits under Hair Colour › Developers. This is the oxidant side of the mix. The strength you choose depends on the colour or lightener and the result you are after.
At a glance
- Brand: L’Oréal
- Product: Blond Studio 30 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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