Before you start dyeing your hair at home, make sure you know exactly how many ounces of hair dye you need to prevent any mishaps.
Okay, so you’ve your box hair dyes, brush, mixing bowl, and everything else you need to color your hair at home.
But you’ve made a miscalculation and now run out of hair dye! Nightmarish isn’t it?
You can’t leave your hair half done. And it’s too improbable that you can get a new box dye and apply it to cover your undyed tresses.
So it’s always better to know how many ounces of hair dye you need before you start applying it on your locks.
Also, you’d need to get the ratio of the developer to the cream or lotion right. Otherwise, you might end up with a very different color than what you wanted. And application also becomes difficult.
How Many Ounces Of Hair Dye Do You Need
The ounces of hair dye you need depend on the length and thickness of your hair. On average, people require about 3 to 4oz of hair dye to cover their heads. But if you have shorter hair like bobs or pixies or long hair that reaches the middle or below your waist you might need anywhere from 2oz to 8oz.
For Long Hair
The trickiest thing is to get the ounces of hair dye right for long hair as “long” is subjective.
It can mean you have hair that falls a few inches below your shoulders (usually called the “bra-strap length”), waist-length hair, or even hair that reaches below your waist.
So whenever I’m growing out my hair and looking to color it at home, I bring three 2oz boxes of hair dye, just in case.
My philosophy is that it’s okay if there’s a bit leftover as you can distribute it over your hair for a more intense shade.
But you should never fall short of hair dye as the consequences can be very irritating.
If you want an exact estimate on the ounces of hair dye you need, here goes:
- For long hair that reaches 2-4 inches below your shoulder, use about 4oz of hair dye
- For hair that reaches 5-8 inches below your shoulder (waist length and more), use 8oz of hair dye just to be on the safer side.
For Short Hair
If you have short hair, you might need only 2oz to 3oz of hair dye. Even if you’re planning to cover your entire head.
Unless you have really thick hair, in which case you’d need a bit more.
However, 2oz – 3oz has always been enough for me when I had a lob that reached a few inches below my chin.
Sometimes, there was hair dye left over. So I suggest you use only a single box dye to avoid wastage.
Short-haired folks can go for a single 2.5oz hair coloring kit if they want to use semi-permanent or permanent hair dye. That should be enough to cover their hair.
For Medium Length Hair
I always consider hair that is shoulder length or 1-2 inches longer to be “medium-length”.
This length of hair is tricky because you always get the amount of hair dye wrong.
Either you think your hair is on the shorter side and think a single box is going to be enough. Or you go overboard and buy two boxes only to be left with plenty of hair dye in the bowl.
I suggest using 3 to 4oz of hair dye for this hair length.
You can buy 2 smaller boxes of hair dye to reach 4oz if your hair is on the thicker side. Or you can buy a large box of 3oz and use it to cover your entire hair.
Based On Hair Thickness:
A lot of people don’t factor in hair thickness when they consider the ounces of hair dye they need. But this is an important factor as the thickness affects the hair’s ability to absorb dye well.
If you want to determine whether you have thick hair, thin hair, or medium thickness strands, you can use a regular hair tie to check.
Tie your hair with the scrunchie or tie after gathering your locks into a ponytail. If you can wrap the hair tie around your locks multiple times, it means you have thin hair.
However, if the hair tie doesn’t go beyond a single tie or feels uncomfortably tight after two, you have thick hair.
Able to wrap the hair tie twice comfortably? Your hair has a medium thickness to it.
For Thick Hair
Thick hair is difficult to color simply because of its volume. But other than that, it poses a lot of challenges as well.
Selecting the right amount of hair dye for thick hair can be difficult because you might not really know if your hair is that thick or not.
Thick hair on short hair is very deceptive as you might end up buying only a 2oz hair dye bottle and realize it’s not at all enough to cover your thick locks.
Also, thick hair strands do not let dye pigments penetrate them too easily. So you might require more hair dye to get the right shade of color as well.
If you have thick hair but have a short hairstyle, take 2.5oz or 3 oz of hair dye just to be careful.
For Medium Thick Hair
Most women have this type of hair thickness. Sometimes hair tends to become thin due to reasons like hair damage, pregnancy, postpartum issues, or overprocessing.
But most hair dyes are created keeping this average hair thickness in mind.
If your hair is of medium thickness, you can go ahead and buy the ounces of hair dye suggested for your hair length. No modifications necessary!
For Fine, Thin Hair
Fine and thin hair can easily absorb hair dye pigments. So you don’t need to worry about using a lot of dye to cover this hair type.
Also, fine hair tends to be fragile and can actually endure damage due to the coloring process.
So it’s best to reduce the amount of hair dye you’re using, especially if the hair dye contains hydrogen peroxide or ammonia.
If you have short fine hair just a small box of 2oz hair dye would be sufficient.
Will 4 oz of hair dye be enough for dyeing a full head?
Four ounces of hair dye is usually enough to color a full head of hair, depending on the amount and thickness of hair. If the hair is thick or long, it may be necessary to purchase more dye. For example, if the hair is waist-length and thick, it might require up to 8 ounces of dye. Additionally, if multiple colors are being applied, it is important to purchase enough dye to complete the desired look. If in doubt, it is best to purchase a little extra to ensure that the dye process goes smoothly.
How many boxes of hair dye do I need for waist length hair?
If you have waist length hair, it is recommended that you use at least two boxes of hair dye. The exact amount of dye will depend on how thick or thin your hair is, as well as the type of dye you are using. For example, a stronger semi-permanent dye can be used in less quantity than a permanent dye, but will not provide the same amount of lasting color. Generally, someone with waist length hair should be able to get all their hair evenly covered with two boxes of hair dye.
Can I Dye My Hair Twice If I Run Out Of Dye
So, you’ve started dying your hair and realize that you’re running low on dye, but you’re not quite happy with how the color turned out. You’re wondering if you can dye your hair twice if you run out of dye. The answer is yes, you can.
However, it’s important to note that dyeing your hair twice can have damaging effects on your hair. Reapplying dye again and again can lead to hair breakage, dryness, and split ends. It’s therefore important to wait a few days before dyeing your hair again to give your hair enough time to recover.
Before deciding on reapplying more dye, take a good look at your hair color and assess whether you really need to apply more dye. If the color difference isn’t that evident, then you might want to hold off and wait until your next scheduled hair dye appointment.
If you must apply more dye, make sure to mix up a fresh batch of dye to ensure that the color is consistent throughout your hair.
Apply it only to the areas that you missed the first time, and leave it on for less time than you did the first time. In conclusion, dyeing your hair twice can be done, but it’s important to be mindful of the risks involved.
Assess your hair color first, and only apply more dye if necessary. Give your hair enough time to recover before applying more dye and make sure to follow the instructions on the dye packaging carefully.
How Many Ounces Of Cream Do I Mix With Developer
So, you’ve decided to dye your hair yourself and you’re ready to dive in. But, wait! Before you grab that box of dye and start slathering it on, there’s an important step you need to consider first: mixing the hair dye.
One of the most common questions people ask when it comes to mixing their own hair dye is “how much cream do I mix with developer?” Well, the answer is not as straightforward as you might think.
The amount of cream you mix with developer depends on a few factors: the amount of hair you have, the shade of the hair dye you’re using, and the desired level of lift.
Generally, a 1:1 ratio is the most common and the safest choice. However, if you’re using a high-lift dye or going for a more dramatic change, you might need to adjust the ratio to 1:2. Another important factor to consider is the strength of the developer you’re using.
The higher the volume of developer, the more lift you’ll get, but also the more damage to your hair. Stick to lower volume developers if you’re looking to go darker or cover grays, while higher volume developers are best for lifting hair several shades.
To avoid any mistakes, always read the instructions on the hair dye box carefully and follow the recommended mixing ratios.
Remember, it’s always better to err on the side of caution and mix a little less dye than too much. Trust us, you don’t want to end up with a head full of hair that’s too dark or too light.
How Much Toner Do I Need After Dyeing Hair
If you’ve recently dyed your hair, you may be wondering how much toner you need to use to achieve your desired result. Toner is an essential step in the hair dye process as it helps to neutralize any unwanted brassiness or yellow tones in the hair.
However, the amount of toner you need to use is dependent on a few factors. Firstly, the length and thickness of your hair will affect how much toner you need. The longer and thicker your hair is, the more toner you will need to use.
Secondly, the level of lightness or darkness of your hair will also determine how much toner is required. If you have very light hair, you may only need a small amount of toner to achieve the perfect shade.
However, if your hair is darker, you may need to use more toner to combat any orange or red tones. It’s important to follow the instructions on the toner product carefully to ensure you’re using the correct amount for your hair. As a general rule, start with a small amount of toner and work your way up if necessary.
You can always add more toner, but it’s much harder to remove it once it’s been applied. In conclusion, there is no set amount of toner to use after dyeing your hair, as it varies depending on your hair type, colour, and desired result.
The best approach is to start with a small amount and gradually add more if needed. Remember to read the instructions carefully and always follow the manufacturer’s recommendations.
Is 120ml of hair dye enough for waist length hair?
The amount of hair dye you need depends on several factors, including the thickness of your hair, the product’s instructions, and the specific look you want to achieve. Waist-length hair is quite long, so you may need more than the standard amount of hair dye provided in a single box, which typically contains around 120ml (4 ounces) of product.
Here are some considerations to help you determine if 120ml of hair dye is enough for waist-length hair:
Hair Thickness: Thicker hair may require more product to ensure even coverage. If your hair is thick, you might need more dye.
Desired Color Intensity: If you want a very bold and vibrant color or if you’re going from a significantly lighter shade to a darker one, you may need more product to achieve the desired intensity.
Product Instructions: Always follow the instructions provided with the hair dye product. The instructions typically specify the recommended amount of product for various hair lengths and types.
Single or Multiple Boxes: If your hair is waist-length and you want to ensure thorough coverage, it’s a good idea to have more than one box of hair dye on hand. You can mix the contents of multiple boxes to ensure you have enough product to cover your entire head evenly.
Consult a Professional: If you’re uncertain about the amount of dye you need or if you’re attempting a complex color transformation, consider consulting a professional colorist. They can assess your hair and provide guidance on the quantity of dye required for your specific goals.
In general, if your hair is waist-length, it’s a good practice to have extra dye on hand to avoid running out during the application process. It can be frustrating to run out of product midway through, as it can result in uneven color. Having a backup box ensures that you can complete the dyeing process smoothly and achieve the desired results.
FAQs – How many ounces of hair dye do you need
What happens if you run out of hair dye in the middle of coloring your hair?
If you do not calculate exactly how many ounces of hair dye you need, you can end up in a lot of trouble.
For starters, your hair can end up in two different colors. One, the color of the hair dye, and the other your natural or base hair color.
To rectify this mistake, you’ll need to dye your hair all over again. And dyeing a part of your hair twice means subjecting it to a lot of damage.
This damage can be severe if you’re using hair dyes with ammonia or hydrogen peroxide in them.
Another problem that you can face if you’re running out of hair dye is the appearance of a distinct line.
Even if you wash your hair dye off within 5-10 minutes and head out to buy another box, the dye starts working its way to your hair.
So a couple of sections of your tresses might be a more intense shade of the color you’re applying as the hair dye has already penetrated the strands.
If you apply the new boxes of hair dye evenly then you might have a chance of covering it up.
But if you make a mistake, your hair can show a distinct line that separates the darker and lighter shades.
How much developer do I use for 2 oz of hair color?
Unless you’re trying to lift the shades of your hair (lighten the color of your hair considerably) then the suggested ratio of color to the developer is always 1:2.
That is you’ll need to add 2 parts of the developer to one part of hair color.
So if you’ve got 2oz of hair dye, you’ll need to add 4oz of the developer to it.
What happens if you put too much developer in hair dye?
If you put too much developer in your hair dye mixture, it makes the consistency of the dye too runny and liquidy.
This will make it difficult for the dye to stay on your tresses and cause it to drip down your head.
Also, the excess developer can help lighten your base color, but as there’s not enough dye your hair strands won’t take on color pigments well.
How many ounces of developer do you need for hair dye?
There’s no definitive answer to this question since the amount of developer needed will vary depending on the brand of hair dye, the type of dye being used, and the individual’s hair type. That being said, using too much developer can cause damage to hair, while using too little may not provide the desired results. In general, it is recommended to start with a small amount of developer and gradually increase it until the desired results are achieved.
You can also use the ratio of 1:1 while mixing developer and dye. So you can use 1 oz of dye for 1 oz of developer. But if you desire a much stronger lightening effect that you can add either 2 oz of developer for 1 oz of dye or 1.5 oz for 1 oz of dye. However, be careful about the developer as too much of it can actually damage hair.
How do you measure hair color?
There are measuring cups that you can use to measure hair color. Also, these come in different weight units (imperial and metric) so there’s no scope for confusion. If you’re using box dye, then the dye and developer come pre-measured and you usually just have to mix them both.
I hope my article helped you in finding out exactly how many ounces of hair dye you need for your tresses.
The information given here can vary according to the type of hair color you use, you’re previous applications, etc.
For example, if you want to add a few highlights to your hair, you might not require a lot of hair dye even if your tresses are very long.
Also, you might need a lot of dye to cover your hair if it’s short but very thick. So there are many factors to consider when choosing the amount of hair dye.
Why You Should Trust Haireveryday?
The author of this article, Leah Marie Priest has a degree in Cosmetology with years of experience in dealing with hair care, scalp care, and hairstyling. As someone who extensively deals with all kinds of hair textures, products, styling methods and more, hair Leah Marie knows what kind of products and procedures suit each hair type and person. We have also tested these hair products and processes ourselves to provide you an unbiased review about every product. Each of our articles are also reviewed by a team of medical professionals so that you get the most accurate and expert-reviewed information.