Magnet Blondes 20Vol Developer Magnet Blondes 20Vol Developer is a special oil-based developer, designed and tuned for use with the Magnet Blond products from Revlon Professional. The developer provides easy-to-use lightening with precision – an essential part of any bleaching technique. Magnet Ultimate Oil Developer Oil-based formula with 6% (20 vol.). For excellent lightening and maximum care for hair quality in any type of bleaching.Application Use in combination with the Magnet Blond products from Revlon Professional. Size 900ml
