wella volume developer

The listings pair volumes with peroxide concentrations as follows: 6 Volume = 1.9%, 10 Volume = 3%, 13 Volume = 4%, and 20 Volume = 6%.

The search results show Wella developers in several forms: cream developers, a clear liquid developer, and emulsion-type developers.

The product listings include multiple container sizes, for example 15.4 oz, 32 oz, 33 oz (LITER), and 33.8 oz.

Product details commonly list processing times of around 30 minutes or 35 minutes, depending on the specific developer.

A 10-volume developer is described for mild lift (about one level), deposit-only color, toning pre-lightened hair, neutralizing unwanted undertones, and refreshing or enhancing existing color without significant lightening.

A 20-volume developer is described as providing up to two levels of lift and is suitable for techniques from subtle highlights to full coverage color; it’s formulated to work with Wella color systems.

The product details repeatedly list these developers as suitable for "All Hair Types."