Goldwell Topchic Developer Lotion

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7600
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Goldwell Topchic Developer Lotion
$13.99
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category-hierarchy
Hair Color & Treatments / Developer & Peroxide
pd-rating
4.5
pd-rating-count
176
pd-qa-question-count
46
pd-qa-answer-count
222

What it is:
Goldwell Topchic Professional Hair Color is the "2002 Winner Of The Stylist Choice Award." Achieve your target color every time with Topchic.

What it does:
Topchic is the permanent alkaline hair color for superb color results. Infused with hydrolyzed wheat protein and panthenol to add strength and shine to hair. Impeccable quality. Durable color. Get the desired effect. Accurate.

What else you need to know:
Formulated with Color Link, a patented technology that allows color molecules to "link" together. Its Patented Penetration System ensures even pigment distribution from scalp to ends. Total coverage. Precision in measurement. Tools designed for predictability. All Goldwell hair color is aligned with the Goldwell Master Palette. The Color Depot System guarantees exact dispensing and mixing. Unique to Goldwell products. Exceptional results for you. Right on target.

Water, Hydrogen Peroxide, Cetearyl Alcohol, Phosphoric Acid, Panthenol, Sodium Lauryl Sulfate, Disodium Phosphate, Tetrasodium EDTA, Salicylic Acid, Simethicone, Polysorbate 65, Methylcellulose
Below you can download the PDF Goldwell Topchic Fact Sheets for instructions on developers, mixing ratios, and tips!

You will need the Adobe PDF reader in order to view these file. Don't have the reader? Download it here.

Goldwell Topchic Fact Sheets:
For instructions on dispensing haircolor and developer using Goldwell's Canister Depot system, please view the following PDF file:
4.7
176 Reviews
5
84% (148)
4
10% (18)
3
3% (5)
2
1% (1)
1
2% (4)
89% Recommend this product (156 of 176 responses)
By Renee
Paso Robles, Ca
August 24, 2017
Gentle on hair
I have used this developer for a lot of years. Love how it works with the color to cover grey completely.
ProsGentle on hair
By gi87
NY
August 11, 2017
Outstanding product
Completely new to this hair color (new to the dye, not the Goldwell line) and wanted to go cool using shade 5bp. I have 75% resistant grey hair and processed for 35 minutes albeit directions indicating a shorter processing time. Level 20 is what I normally use for covering grey growth and refreshing. Results were immediate -- hair visibly improved in both texture and coverage. Excellent quality and well-priced for a 32 ounce bottle (size was not indicated upon purchase). This is a professional size and I dye my hair almost every 4 weeks. My concern is the rest of the bottle might not be fresh by the time I'm halfway through. Also, there is not enough information available since it's intended for salon use only. The affordable price makes it completely worth it imo and would consider purchasing a fresher bottle in a few months regardless of what remains. I think it merely loses strength once exposed to air and have been advised in the past by a relative (an old-school professional that also worked from home) to tighten the cap as much as possible after use, and we were speaking of 16 ounce bottles. But whatever remains in these larger bottles will eventually become more exposed to air inside. It would help to know what the shelf life is with this product once opened. Have been using Goldwell products for years with excellent results, but only new to their hair color. So happy these products are available here for purchase!
Prosexcellent results with top chic hair color no bad odor
ConsNeeds smaller size or more info about shelf life once opened
By Kat
Shady side, MD
May 14, 2017
Awesome stuff
I love this developer. It works great and the color comes out awesome.
By SFRed
San Francisco, CA
April 17, 2017
Works Well
This developer w/the Topchic colors is ideal for my hair. Just the right amount of lift for the color I want to achieve.
By Joyce Hammock
Florida
April 3, 2017
developer
great soft easy on the hair
Proseasy on the hair
Consnone
By Anna
Franklin, TN
March 12, 2017
Good product
I used this product with Topchic 5NN and it worked as expected. I was coloring my light brown hair to make it darker and to cover my grey's and this worked.
Prosa lot of product for the price.
By Kara
Memphis, TN
March 3, 2017
Works well
Best for use with color darker than your natural.
By Pat Manning
Florida
February 28, 2017
Love it
Very good product
By Linda
Pearl River, LA
February 24, 2017
Really good!
This is the third time I am using this developer. I got so many compliments on my hair color today, and I do I myself.
Prosgreat brand with hair fortifier
By Tamera
Eugene, Oregon
January 10, 2017
Awesome
20 volume, awesome product
25 Questions & 64 Answers
Brenda
from NJ asked:
August 20, 2017
My hair is reddish brown with lots of grey. Been coloring it for years. I have Goldwell topchic 6-NN and 6-RB canisters. What volume and % Goldwell Developer should I use?
Hi, you and sound very much the same! I've been using 6K Copper Brilliant and use TopChic 6% 20 Volume in a 1:1 ratio. I get good color that stays pretty well, and only do I the roots every 3-4 weeks because of grow-out. Sometimes, I color completely about 3 or 4 times a year to boost all over color. Good Luck!
Laura
on August 21, 2017
from Wenatchee, WA
I would recommend 20% for grey hair. It opens up the cuticle so the hair can receive the deposit of color. I am grey and have used Goldwell for many years. Great color.
Renee
on August 21, 2017
from Paso Robles, Ca

Megan Ruiz
from las cruces nm asked:
July 15, 2017
I have developer 6% 20 vol and hair color 2a blue black how much developer do I use
Equal parts developer and color.
Atx girl
on September 8, 2017
from itskristy@gmail.com

JOANNA SONG
from NSW asked:
June 16, 2017
This developer has different % and VOL what does it mean ? if I choose medium brown color what kind of developer should I use? Thanks
For every 1% of peroxide in a reaction, 3.3 volumes of oxygen are released. So, if the solution of peroxide contains 3% hydrogen peroxide, its chemical decomposition will release 9.9 volumes of oxygen. We round this number up to 10. The rest of your question can't be answered without more detailed info as to what you natural hair color is (eg 4a) and what color you are trying to achieve e.g 5v
Atx girl
on September 8, 2017
from Atx

brian
from glendale az asked:
October 22, 2015
is there an adapter for the topchic developer or does is squeeze out in to the measuring cylinder also going with the 3n dark brown how do you know how much to put in the dosage bowl and the ratio for the developer
You pour out the developer. There us a pump type dispenser but can only be used with the Depot system bowl. Use equal parts color and developer.
Atx girl
on September 8, 2017
from itskristy@gmail.com

cara
from Ivoryton, CT asked:
September 4, 2015
What do I need to purchase to color my hair and how much do I mix. I would like to use Goodwill Topchic 3N to primarily color grey hair. Thanks!
Equal parts 20 volume developer and color. Total of 80-90 ml for roots only. More if entire head depending on hair length.
Atx gitl
on September 8, 2017
from itskristy@gmail.com

Deborah Young
from Seattle Washington asked:
August 25, 2015
. I have been looking for a hair color to use on white hair which I am finding it very difficult. Will Good well cover 100% white hair ? If so ...which developer is best to use?
You need to use a color ending in NN and 30 volume developer..
Atx gitk
on September 8, 2017
from Austin, tx

Donna lauren
from milford ct asked:
August 18, 2015
i use goldwell 7NN can I use 10 volume developer instead of 20 Read somewhere unless you have very course hair use lower volume to protect hair

Karen
from New York asked:
July 13, 2015
My hairdresser said 20 volume but not the percentages. I am mixing 5NN and 4NN- my hair is very dark and trying to cover grey myself while away from her. I'm assuming the mix of those colors will be dark, but need help with the developer lotion!
20 volume is 6% You will need 10 vol - for natural hair if you want to make your hair darker 20 vol - for grey natural hair if you want to make your hair darker or for natural hair if you want make your hair lighter up to 2 levels
Maiia
on November 15, 2015
from CA

maria
from pa asked:
July 7, 2015
can you mix a 20 and a 40 developer to make a 30

tina
from Chandler AZ asked:
July 2, 2015
what developer and portioning do I use for 4N- I have long wavy/curly hair- length is to mid back, past front shoulders , to dye my grey roots? 6, 9, 3, 12 %%%%% ????
10 - for natural hair if you want to make your hair darker 20 - for grey natural hair if you want to make your hair darker or for natural hair if you want make your hair lighter up to 2 levels
Maiia
on November 15, 2015
from CA

kat
from sag ny asked:
May 17, 2015
my hairdresser gave me the formula for my color.....coverplus-60mls, 8g-20mls, 8nn-10mls. Do I need to mix this with developing lotion too????
formula adds to 100. 20 part -8g plus 10 part 8nn plus 20 parts developing lotion. My formula is 10+10+20 developing lotion.
Doreen
on June 1, 2015
from Denver, CO

mandy
from liverpool asked:
April 25, 2015
is 20 volume devolper the right one to use if im using goldwell 7rr hair colour and how much do I mix
The direction on the product says mix a ratio of 1:1...Example - 1oz of Golwell 6% Volume 20 Developer mixed to 1oz of Goldwell TopChic Hair color.
Theresa
on May 1, 2015
from Missoula, MT
If you're using Topchic 7RR then the ratio is 1 to 1 - i.e. mix one part hair color to one part developer in equal parts. As for whether it should be 20 vol. it depends on the level of lift/ color you would like to achieve. 20 Volume will get you the color that is usually displayed on the box/ swatch. 10 Volume will get you a slightly darker color, 30 Volume will get you a lighter than the 20 volume color.
Diana
on May 10, 2015
from Huntington Beach, CA

Margaret Flenner
from Arcata, ca asked:
April 18, 2015
Is this product to be used with Colorance demi permanent hair color?
No. It is to be used with Topchic Permanent color. The Demi Color line Coltrane has it's own developers.
Deetzah
on April 24, 2015
from Verona, PA
No you should not use it with demi. A demi works best with its own colorance lotion or if you are depositing color on grey hair I would use colorance cover plus lotion with your demi color.
Denise
on April 24, 2015
from Maricopa, AZ
I do not use this with Colorance demi permanent color. I use the Colorance developer.
Karen
on April 24, 2015
from Truro, MA
This lotion is to be used for Topchic permanent hair color, and for color that is at or darker than your regular hair color. If you want a developer for the demi-permanent (Colorance) color, use the GOLDWELL COLORANCE DEMI COLOR DEVELOPER LOTION - 32 OZ - COLORANCE, here: http://www.sleekhair.com/3117-32-oz-colorance.html
Sydney
on April 24, 2015
from San Francisco, CA
No, this is for the permanent color.
Sandra
on April 24, 2015
from New York, NY
No. This product, Goldwell Topchic Developer Lotion, is formulated to be used with Goldwell Topchic Color(s) only.
Annalee
on April 24, 2015
from Austin, TX
No. The Topchic developer is used with the Topchic permanent hair color. My sister is a hairdresser and uses the Goldwell line on her clients. She created a color formula to match my natural but fading red hair using Goldwell and I use both the Colorance and Topchic products following her professional instructions.
Shelly
on April 26, 2015
from Cathedral City, CA

Teresa W
from Dallas, Texas asked:
March 10, 2015
What does it mean to use the 1:1 ratio for the Goldwell Topchic Hair Color and Goldwell Topchic Developer Lotion? Using the whole tube of the hair color, how much developer would I need to use?
Use the same amount of developer as the amount of color. So, if you use all 2.1 ounces of color, you will need 2.1 ounces of the developer. You can do this accurately with a small kitchen scale. Another option would be to use a glass measuring cup and use the markings on the side.
Inna
on April 24, 2015
from Virginia
Use two ounces. Measure with a liquid measure and stir. The color and developer will make a thick creme that is easy to apply. I like the Topchic colors. I have used Goldwell Nectaya for a while but I think I like this better despite the smell. The color is more vibrant.
Karen
on April 24, 2015
from Truro, MA
If you use 60mls of topchic color (which is the whole tube) you would need to use 60mls of developer
Desiree
on April 24, 2015
from Allentown, PA
The ratio of 1:1 means one part color to equal parts developer. The color tube is marked to help with this. The pamphlet that comes with every tube of color should give you volume measurements as well. The length and thickness of the hair being colored also determines how much color should be used.
Annalee
on April 24, 2015
from Austin, TX
1:1 ratio means for every unit volume of one item use exactly the same unit volume of the second item in your mixing. i.e. one once of hair color to one once of developer, or 5 once of hair color to identical 5 once of developer. It does not mean using one tube of hair color to one bottle of developer. Having said that, I never use 1:1 ratio. I have been using Goldwell Topchic hair color and developer for many years. My ratio is 1 part hair color to at least 4 parts developer (ratio of 1:4). I use one part 8NN hair color & 4 parts of Topchic Developer Lotion - 10 Volume - 3%, leave it on for 45 min to one hour and it produces the perfect natural looking result for me. Hope sharing my experience helped.
Mano Aryapour
on April 25, 2015
from San Jose, CA
1:1 ratio means you use the exact same amount of hair color and developer. Each Goldwell Topchic tube is 2.1 ounces, so you need to measure 2.1 ounces of developer.
Kathryn
on April 26, 2015
from Tampa, FL
1 ounce of hair color to 1 ounce of developer. i usually use a 2 :1 ratio but i mix two different colors with the developer.
jennifer
on April 29, 2015
from Austin, TX

ann
from Westfield, NJ asked:
January 31, 2015
How many ounces in this developer container?
It contains 32 fl oz (946 ml) of developer. You can use Goldwell Depot Pump to accurately measure out Developer Lotion.
Maiia
on February 8, 2015
from California

Suna Senman
from Florida asked:
December 26, 2014
I ordered the colorance demi color 8N and 8GB, and thought the developer lotion would come with it. I want the most natural lotion to bring health to my thin - tend to be dry - hair. Would you suggest this developer or another?
You would need to purchase the activating lotion for Demi Permanent hair color. It is low in peroxide.
Customer Service
on January 15, 2015
You will need Goldwell Colorance Acid Color Lotion The mixing ratio for Colorance is always 2 parts of Goldwell Colorance Acid Color Lotion and 1 part Colorance Acid Color (i.e. 40 ml Lotion + 20 ml color).
Maiia
on February 8, 2015
from California

Joyce Powell
from Manchester, NH asked:
December 13, 2014
How much developer lotion do I use with 8N color?
The ratio is 1:1, equal parts.
Customer Service
on January 12, 2015
The mixing ratio is 1:1 except high-lift series (for high-lift series ratio is 1:2) You can mix 1 oz of the color and 1 oz of developer, it will be 2 oz of the coloring mix
Maiia
on February 8, 2015
from California
Actually Coldwell recommends a 1:2 ratio.
K Stayduhar
on April 24, 2015
from pennsylvania

anna
from nj asked:
December 3, 2014
Hi, my hair color is natural blonde 9n, i want to color my roots which are resistant grey, which developer do I use to get rid of my grey and match my hair color.? thanks
20 vol. developer - for grey non-colored natural hair if you want to color your hair tone-to-tone or darker; or for natural hair if you want make your hair lighter up to 2 levels, 30 - for natural hair if you want to make your hair lighter up to 3 levels, 40 - for natural hair if you want to make your hair lighter up to 4 levels
Maiia
on February 8, 2015
from California
My hair was naturally light brown, but at 65 yr. old I am dealing with almost all grey. Goldwell Topchic Dev. Lotion 20 vol. I mix 30 ml, Topchic 10GB 10 ml and 10N 20 ml. I leave in on my roots only for 40 mins. then wash and dry. On my dry hair following I use Colorance 2 parts to 1 part of Demi Color 10N. Hope this helps. I love this product. Very gentle and doing it once a month I never have roots showing. Kate
Katherine
on April 24, 2015
from Williamstown, NJ
Assuming that whatever color you are adding to the 9N is also at a level 9 , then use the 10 volume at a 1:1 ratio
Katharine
on April 24, 2015
from Canonsburg, PA
If you intend to use permanent color (Topchic), given that your hair is light, and assuming you aren't going more than 1 shade lighter - start with the 3% (10 vol) developer. It should be enough. If grey resistance is an issue, you can leave on a little longer, apply heat for the last 5 mins of developer time (a cheap shower cap and blowdryer works fine), go to the NN color series, or mix your developer 50/50 with the 6%. I've been using Topchic for many years, am darker than you (5N), am about 30% grey, and so it's a bit tougher to cover greys. But I've never had to move beyond the 15 vol mix to cover by leaving processing times a bit longer. Another tip - once you get your formula right, consider never coloring anything but the roots with permanent color. The Colorance demi-permanent line is color-coded to the Topchic line. I go one shade lighter than mine with the deposit-only (no lift, so no risk of lightening hair) to address any fading, color-correction, etc., needed for the rest of my hair, and this avoids any damage whatsoever, or the dreaded heavy deposit on the bottom of hair with darker ends than roots (the dreaded reverse ombre effect that most people get with home coloring).
Syd
on April 25, 2015
from SF
I would go with the 9NN topchic with 20 developer.
Denise
on April 26, 2015
from Maricopa, AZ
Yes you would use the 20 volume developer. It's the color that will cover your grey. You may want to use 9NN if you are more than 50% grey. It has more pigment in it. You can also add a little 9GB to give you a warmer tone. the GB means golden Beige.
Kathleen
on April 28, 2015
from E. Northport, NY
I use Gladwell Topchic Developer lotion- 20 Volume - 6% with the 3 NN color for my very dark brown hair. Together they provide excellent coverage of my grey roots, and they match my natural hair color. The color is consistent with repeat color applications. I have also found the double N (a.k.a NN) color is more rich and deep for covering my grey.
Aimee
on May 1, 2015
from SEATTLE, Washington

anna
from nj asked:
December 3, 2014
there are different volumes, what does the volume represent? thanks
You'll need a developer, that will match the choosed color (the color that you wish to get after coloring). 10 vol - to color your hair tone-to-tone or darker (less then 15-20% of grey hair), 20 vol. developer - for grey non-colored natural hair if you want to color your hair tone-to-tone or darker; or for natural hair if you want make your hair lighter up to 2 levels, 30 - for natural hair if you want to make your hair lighter up to 3 levels, 40 - for natural hair if you want to make your hair lighter up to 4 levels
Maiia
on February 8, 2015
from San Jose, CA
The volume refers to the amount of lift you want to change your hair color to from your hair's natural level. You would use a 20 volume if you were changing your hair color two levels from its current level.
Katharine
on April 24, 2015
from Canonsburg, PA
20vol. is the most gentle, but you will leave it on your hair longer. 40 vol. is faster, but it's more harsh.
Katherine
on April 24, 2015
from Williamstown, NJ
The volume for the developer corresponds with the amount of lift that will occur from the hair color you use in relationship to your current or natural hair color. If you are basically staying at the same level but are concerned with covering grey, then you would use a 10 volume. If you are choosing to lighten your hair two levels, than you would choose a 20 volume developer.
Katharine
on April 24, 2015
from Canonsburg, PA
20 Vol / 6% is for staying on the same depth or darkening or covering grey, may get 1 shade lighter with bleach only. 30 Vol / 9% is for 1-2 lifts of shade, 40 Vol / 12 % is mainly used for bleaching or high lift tint for 3-4 lifts of shade.
Annalee
on April 24, 2015
from Austin, TX
10 volume means deposit color, 20 volume is to have a gradual lift and 30 and 40 is usually for high lift color.
Denise
on April 26, 2015
from Maricopa, AZ
You can google the answer to the question, but I know my hairdresser uses this on my hair as well. I believe it has to do with the peroxide in the developer. You want the correct amount to lift the cuticle on the hair so the permanent color can penetrate the hair shaft but not so much as to damage your hair. It may also depend on the coarseness of your hair. I have stubborn grey at the hairline, so I apply straight developer to that for five minutes prior to coloring my roots. Hope that helps.
Sher
on April 29, 2015
from Tempe, AZ

serena tong
from new jersey asked:
October 19, 2014
Is there an expiration on this product? I have had some since my last purchase but unsure if has expired. THnks
There is no expiration date but I would not use if over 24 months since you purchased the product.
Mari
on April 24, 2015
from Tucson, Az
Goldwell's Topchic has a two-year shelf life (providing that it is stored correctly)
Annalee
on April 24, 2015
from Austin, TX
Wonderful product - mine is way over 6months old and still does exactly what it is suppose to do. I keep mine in a cool dark spot.
Jan
on April 25, 2015
from cathedral City, CA
Not sure how long you've owned your developer, but I've had mine for at least 3 years and it's still fine.l
Vickie
on April 25, 2015
from Los Gatos, CA
I have used my previous bottle over the course of one year or more and it has always worked. My guess is that there is some degree of stabilizer built into the product. I wouldn't use it if it were five years old. Peroxide does break down over time.
Sher
on April 29, 2015
from Tempe, AZ

Patricia Titzer
from ptitzer@msn.com asked:
October 2, 2014
To cover grey at my roots, should I use 10 volume with my 9color or 20 volume?
For best coverage on grey hair use 20 vol. developer. Also you can choose the color with mark "N+" - it means extra coverage for over 50% gray hair neutral looking end result.
Maiia
on October 14, 2014
from San Jose, CA
I initially ordered 10 volume because a hair dresser friend told me that 20 volume was more drying, and my hair was very dry anyway. Later, I talked to another hair dresser who told me that 20 volume gives more depth of color and should not be drying if used properly. In either case, both covered gray effectively. I hope this helps!
Karen
on April 10, 2015
from Truro, MA
It's best to use the lowest volume possible to cover your grey. That will depend on % of grey, hair color, hair texture, whether you want to blend or cover entirely, and how much you are changing your shade. To cover the same shade or to go darker, start with 3% (10 Vol) - or you could mix 3% with 6% as I do to get 15 vol if you are at your same shade, darker, or slightly lighter. Stronger solutions actually make the color lighten slightly, because it is designed to lift. (20 = 1 lev lighter, tone-on-tone; 30 = 2-4 levs lighter; 40 = 4-6 lens lighter). If you are not getting good grey coverage at lighter volumes, use a NN series, which is designed for resistant grey, for at least part of your color formulation. Your hair is fairly light so I would start with 10 vol if it is your natural color, or 20 if you are going lighter. I have fine hair (but lots of it), am about 30% grey, and use a 15 vol (equal mix 3% and 6%) at 5N/6N equal color ratio, and this is slightly lighter than my natural shade. This covers grey completely, but at a slightly lighter shade, which offer subtle highlights. If I wanted more opaque/uniform color, I would first go to NN, then go up a volume, but that might mean dropping the 6NN to 25%, because the volume would lift color more, and I would get an overall lighter shade.
Syd
on April 25, 2015
from SF

Ann
from Austin, TX asked:
September 3, 2014
Do you need to add developer to 12GN color in a can? Sent thus question over 24 hours ago with no response. Thx
Yes, all colors need to be mixed with developer. The mixing ratio is 1:1 except high-lift series (for high-lift series ratio is 1:2)
Maiia
on June 8, 2015
from San Jose, CA

Ann
from Austin, Texas asked:
September 2, 2014
Do you add thus developer to the Topchic in the can 12GN color?
Yes, all colors need to be mixed with developer. The mixing ratio is 1:1 except high-lift (12 level) series (for high-lift series ratio is 1:2)
Maiia
on June 8, 2015
from San Jose, CA

ziba
from Hollywood, FL asked:
August 28, 2014
I have Med brown hair but I have lot of grey so I use color 4NN with 20Volume and sometimes with 40Volume. What is the best Volume to use with 4NN to cover grey?
You'll need a developer, that will match the choosed color. 20 vol.developer is good for grey non-colored natural hair if you want to color your hair tone-to-tone or darker; or for natural hair if you want make your hair lighter up to 2 levels 40 vol.developer is needed if you want to make your hair lighter up to 4 levels
Maiia
on September 1, 2014
from San Jose, CA
You'll need a developer, that will match the choosed color (the color that you wish to get after coloring). 20 vol. developer is for grey non-colored natural hair if you want to color your hair tone-to-tone or darker; or for natural hair if you want make your hair lighter up to 2 levels, 40 - for natural hair if you want to make your hair lighter up to 4 levels
Maiia
on September 3, 2014
from San Jose, CA
I would use the 20 volume only. The 40 volume could be damaging to your hair. I would suggest using Gray Drops for better for a better color take.
Debra
on April 9, 2015
from Central Oregon
The darker your natural hair color and desired coloring the lower the developer volume should be. If you want get rid of your gray hair you chose the perfect Goldwell product to do exactly that. The NN tone is designed to cover gray hair. If you use the 40 volume developer that would only lighten the color therefore defeating the purpose of covering grays. If you want your hair to be lighter than your natural color, use a highlighting kit with a pull through cap method after coloring your hair with 4NN with 20 vol/6% developer. It is wise to wait a day or after your initial coloring to allow your natural oil to coat your hair. Do not wash it prior to highlighting. You'll get beautiful results every time;)
Janice
on April 12, 2015
from Pinebluff, NC
Actually the NN series was designed to be used in a different manner than being mixed with the traditional developers. If you are that concerned with covering grey, particularly grey that is resistant, consider either prescreening prior to applying the actual hair color or concentrate the hair color and developer mixture to be that of a 1:1 ratio.
K Stayduhar
on April 24, 2015
from pennsylvania
You would use Goldwell Topchic developer lotion 20 volume - 6% The Higher volume is used for platinum color hair. If you want your hair med brown I think you would want to use 5NN or a 6NN. You are using a dark color
Mari
on April 24, 2015
from Tucson, Az
It's best to use the lowest volume possible to cover your grey. That will depend on % of grey, texture of your hair, whether you want to blend or cover entirely, and how much you are changing your shade. The volume for permanent color is more keyed to key change than grey coverage. To cover the same shade or darker, start with 3% (10 Vol) - or you could mix 3% with 6% as I do to get 15 vol if you are correcting to your same shade or darker. Going with a stronger solution actually makes the color less true, because it is designed to lift. (20 = 1 lev lighter, tone-on-tone; 30 = 2-4 levs lighter; 40 = 4-6 lens lighter). If you are not getting good grey

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