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Home / Peroxide & Developer

Peroxide & Developer

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Developer comes in different strengths, the common ones being 10 volume, 20 volume, 30 volume and 40 volume. It’s possible to buy peroxide in stronger concentrations but they’re much too strong to use on hair and should be avoided. Developer strength is sometimes represented as a percentage. 6% and 20 vol. are the same strength.

Equivalent Developer Strengths
10 Volume 3%
20 Volume 6%
30 Volume 9%
40 Volume 12%

What strength/volume developer should I use?

10 volume is ideal for use when you don’t want the natural hair colour to be lightened by the dyeing process. It’s used in toners and colour glazes. These types of dyes are known as “deposit-only”.

20 volume peroxide is commonly used with semi-permanent and permanent hair colours. It can have a lightening effect on natural, undyed hair of 1 or 2 shades when used with permanent colour.
When mixed with bleach powder, 20 volume developer will lighten virgin hair by about 5 levels.

30 volume developer is used for lifting out colour. Its main use is in bleaching and it can lighten around 7 levels depending on the bleach powder used.

40 volume is occasionally used to lighten very dark, stubborn hair as part of the bleaching process. It lightens quickly and its effects are harsher than lower concentrations. 40 volume is not recommended for on-the-scalp use. Using 40 volume developer can cause hair damage and chemical burns if not used correctly. Instead, using multiple applications using lower volume peroxide will allow more controlled lightening.

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ECO MED 10 Volume 3% Organic enzyme processor 120ml/4oz - Cosmetic World
ECO MED
10 Volume 3% Organic enzyme processor 120ml/4oz

$2.99

ECO MED 120ml / 4oz 20 Volume 6% Organic enzyme processor - Cosmetic World
ECO MED
20 Volume 6% Organic enzyme processor

from $2.99

Eco Med 30 volume 9% Organic enzyme processor 120ml/4oz
ECO MED
30 volume 9% Organic enzyme processor 120ml/4oz.

$2.99

ECO MED 40 Volume 12% Organic enzyme processor 120ml/4 oz. - Cosmetic World
ECO MED
40 Volume 12% Organic enzyme processor 120ml/4 oz.

$2.99

Wella Color Tango 20 volume developer 59ml - Cosmetic World
WELLA
Wella Color Tango 20 volume developer 59ml

$1.99

Wella Color Tango 30 Volume developer extra lift 59ml - Cosmetic World
WELLA
Wella Color Tango 30 Volume developer extra lift 59ml

$1.99

Igora Royal Oil Developer 3%/10 Vol 1L - Cosmetic World
SCHWARZKOPF
Igora Royal Oil Developer 3%/10 Vol 1L

$16.99

Igora Royal Oil Developer 6%/20 Vol 1L - Cosmetic World
SCHWARZKOPF - IGORA ROYAL
Igora Royal Oil Developer 6%/20 Vol 1L

$16.99

Igora Royal Oil Developer 9%/30 Vol 1L - Cosmetic World
SCHWARZKOPF
Igora Royal Oil Developer 9%/30 Vol 1L

$16.99

Igora Royal Oil Developer 12%/40 Vol 1L - Cosmetic World
SCHWARZKOPF - IGORA ROYAL
Igora Royal Oil Developer 12%/40 Vol 1L

$16.99

Welloxon Perfect Creme Developer 3%/10 Vol 1L - Cosmetic World
WELLA
Welloxon Perfect Creme Developer 3%/10 Vol 1L

$14.99

Welloxon Perfect Creme Developer 6%/20 Vol 1L - Cosmetic World
WELLA
Welloxon Perfect Creme Developer 6%/20 Vol 1L

$14.99

Welloxon Perfect Creme Developer 9%/30 Vol 1L - Cosmetic World
WELLA
Welloxon Perfect Creme Developer 9%/30 Vol 1L

$14.99

Welloxon Perfect Creme Developer 12%/40 Vol 1L - Cosmetic World
WELLA
Welloxon Perfect Creme Developer 12%/40 Vol 1L

$14.99

WELLA Pastel 1+2 1.9%/6 Vol 1L - Cosmetic World
WELLA
Pastel 1+2 1.9%/6 Vol 1L

$14.99

WELLA Blondor 6% 20 Vol Freelights 1L - Cosmetic World
WELLA
Blondor 6% 20 Vol Freelights 1L

$14.99

WELLA Blondor 30 Vol/9% Freelights Developer 1L - Cosmetic World
WELLA
Blondor 30 Vol/9% Freelights Developer 1L

$14.99

WELLA Color Perfect 40 Vol/12% stabilized creme developer 946ml - Cosmetic World
WELLA
Color Perfect 40 Vol/12% stabilized creme developer 946ml

$15.99

GOLDWELL Topchic 3%/10 Vol Cream developer Lotion with Bondpro+ 1L - Cosmetic World
GOLDWELL
Goldwell System 3%/10 Vol Cream developer Lotion with Bondpro+ 1L

$20.99

GOLDWELL Topchic 6%/20 Vol Cream developer Lotion with Bondpro+ 1L - Cosmetic World
GOLDWELL
Goldwell System 6%/20 Vol Cream developer Lotion with Bondpro+ 1L

$20.99

GOLDWELL Topchic 3%/10 Vol Cream developer Lotion with Intralipid 32oz - Cosmetic World
GOLDWELL
Topchic 3%/10 Vol Cream developer Lotion with Intralipid 32oz

$20.99

Topchic 9%/30 Vol Cream Developer Lotion with Intralipid 946ml - Cosmetic World
GOLDWELL
Topchic 9%/30 Vol Cream Developer Lotion with Intralipid 946ml

$19.99

Topchic 12%/40 Vol Cream Developer Lotion with Intralipid 946ml - Cosmetic World
GOLDWELL
Topchic 12%/40 Vol Cream Developer Lotion with Intralipid 946ml

$15.99

L'OREAL PROFESSIONNEL OXYDANT creme 3.75% / 12.5 volume 1000ml - Cosmetic World
L'OREAL PROFESSIONNEL
OXYDANT creme 3.75% / 12.5 volume 1000ml

$17.99

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