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How Long to Bleach Black Hai Full Guide of 2023

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how long does it take to bleach black hairImagine yourself sitting at home, scrolling through social media and seeing countless pictures of people with stunning bleached blonde hair. You can’t help but wonder, how long does it take to bleach black hair and achieve that same gorgeous look? Well, you’re in luck! In this article, we will guide you step-by-step on the duration of the bleaching process for black hair.

Key Takeaways

  • The number of bleaching sessions needed for black hair will depend on the darkness and thickness of the hair.
  • Hydrogen peroxide is a crucial ingredient in hair bleach, but it can cause damage if not used correctly or left on for too long.
  • The time required to bleach black hair will vary based on the desired level of lightness and the starting color of the hair.
  • It’s important to check the hair every 5-10 minutes during the bleaching process and rinse off once the desired level of lightness is achieved.

Tools for Bleaching Black Hair

Tools for Bleaching Black Hair
To bleach black hair, you’ll need a variety of tools to ensure proper application and protection throughout the process.

First, you’ll need:

  • Plastic gloves to protect your hands from the harsh chemicals in the bleach.
  • A glass or plastic bowl (avoid metal) for mixing the hair bleach powder and developer.
  • A tinting brush to help you apply the mixture evenly onto your hair strands.
  • A plastic cup or transparent plastic bag to cover your hair while it processes.
  • Toner and balancing shampoo for after bleaching care.

Lastly, another pair of disposable plastic gloves should be worn during application to avoid skin contact with bleach products.

Step-by-Step Guide to Bleaching Black Hair

Step-by-Step Guide to Bleaching Black Hair
To achieve the best results when bleaching black hair, it’s important to follow a step-by-step guide.

First, applying coconut oil or olive oil before bleaching can help protect your hair from damage.

Next, mix the bleaching powder with developer in a 1:2 ratio and apply it starting from the back sections of your hair, working your way up to the roots. This method ensures an even application and allows you to monitor how light your hair is getting throughout the process.

Applying Coconut Oil/Olive Oil

Prepare your hair for the bleaching process by applying a protective layer of coconut oil or olive oil.

This step is crucial in minimizing damage and maintaining hair health during the bleaching process.

Start by warming up a small amount of coconut oil or olive oil in your hands, then apply it evenly throughout your dry hair, focusing on the ends and areas prone to damage.

Be generous with the application, ensuring that every strand is coated with sufficient oil to create a barrier between your hair and bleach solution.

Mixing the Bleaching Powder

Start by mixing the bleaching powder with the developer in a 1:2 ratio.

Measure out how much bleach powder you need and add it to a glass or plastic bowl.

Then, pour twice as much developer into the bowl and mix them together thoroughly using a tinting brush or spatula.

Make sure there are no clumps in the mixture to ensure even application on your hair.

Mixing for about one minute should be enough to achieve a smooth consistency without any lumps or clumps forming.

Applying the Bleach

Now that you have mixed the bleaching powder, it’s time to apply the bleach to your black hair.

To achieve even results, start by applying the bleach from the back sections of your hair and work your way up to the roots.

Make sure to cover each section with aluminum foil for added heat and faster development.

Leave the bleach on for 30 minutes, checking every 5-10 minutes for desired lightness.

Rinse off with lukewarm water and purple shampoo to complete the process.

Aftercare Tips for Bleached Hair

Aftercare Tips for Bleached Hair
To properly care for your bleached hair, follow these aftercare tips:

  • Use a deep conditioner once a week to replenish moisture and strengthen the hair.
  • Avoid heat styling tools as they can further damage already processed hair.
  • Protect your bleached locks from the sun by wearing hats or using UV protection sprays.

Additionally, it’s important to use gentle shampoos and conditioners specifically formulated for color-treated or damaged hair. These products will help maintain the integrity of your bleached strands while preventing further dryness or breakage.

Lastly, make sure to schedule a trim within a week of bleaching your hair in order to remove any split ends and promote healthy growth.

By following these aftercare tips, you can ensure that your newly lightened locks stay healthy, vibrant, and strong.

How Many Bleaching Sessions Do You Need for Black Hair?

How Many Bleaching Sessions Do You Need for Black Hair
To determine how many bleaching sessions you’ll need for black hair, consider the current condition and color of your hair. It’s important to approach the process with caution to minimize damage and ensure safe bleaching methods.

Here are three factors that can influence the number of sessions required:

  1. Hair Color: The darker your hair is, the more sessions it may take to achieve a lighter shade. Black hair contains higher levels of melanin, which requires additional time and effort to lighten.
  2. Hair Texture: Coarse or thick black hair may require multiple sessions due to its resistance to bleach penetration compared to finer textures.
  3. Desired Lightness Level: If you aim for a significant lightening effect from dark black strands, it may be necessary for several bleaching sessions spaced out over weeks or months while following proper bleaching time limits and allowing sufficient recovery time between treatments.

Remember that frequent bleaching can lead to increased risk of damage, so prioritize adequate care in-between each session by using appropriate products and following recommended guidelines for effective post-bleach maintenance routine focused on minimizing potential bleach-related damages such as dryness, breakage or brittleness (bleached damaged).

Time Required for Bleaching Black Hair

Time Required for Bleaching Black Hair
The time required to bleach black hair will vary depending on the desired level of lightness and the starting color of your hair.

To give you a general idea, here is a bleaching time chart based on different levels of darkness:

Hair Color Level Bleaching Time
1 (Black) 60-90 minutes
2 (Dark Brown) 45-75 minutes
3 (Medium Brown) 30-60 minutes

Please note that these times are estimates and may vary depending on factors such as the strength of the developer used, your hair type, and previous chemical treatments. It’s always best to do a strand test before applying bleach to your entire head.

To calculate more accurately how long it will take to achieve your desired level of lightness, you can use an online bleaching time calculator. This tool takes into account various factors like current hair color, desired end result, developer strength being used.

Remember that proper care should be taken when using any chemicals on your hair. Consult with a professional if needed or follow instructions carefully for best results.

The Role of Hydrogen Peroxide in Bleaching Black Hair

The Role of Hydrogen Peroxide in Bleaching Black Hair
Now that you have a better understanding of the time required for bleaching black hair, let’s delve into the role of hydrogen peroxide in this process.

Hydrogen peroxide is a key ingredient in hair bleach and plays a crucial role in lightening dark strands. When applied to your hair, it breaks down the melanin pigments responsible for its color.

However, it’s important to note that hydrogen peroxide can cause damage if not used correctly or left on for too long. It has oxidative properties that strip away natural moisture from your locks and may lead to dryness and brittleness over time.

Additionally, how long does hydrogen peroxide last? Once mixed with developer or bleach powder, its effectiveness diminishes rapidly within 30-60 minutes due to oxidation processes.

Moreover, hydrogen peroxide affects both hair color and porosity levels. Higher concentrations are needed when working with darker shades of black as they require more lifting power.

While some temporary damage caused by bleaching is inevitable due to the aggressive nature of chemicals involved; proper care post-treatment like deep conditioning treatments can help minimize any potential harm while maintaining healthy growth patterns.

Duration of the Bleaching Process

Duration of the Bleaching Process
Continuing from the previous subtopic, when bleaching black hair, you may be wondering how long the bleaching process actually takes.

The duration of the bleaching process can vary depending on several factors such as your starting hair color, desired end result, and developer strength used.

On average, it can take anywhere from 30 minutes to an hour for the bleach to fully develop and lighten your hair.

However, it’s important not to leave the bleach on for too long as this can lead to excessive hair damage.

It’s recommended that you check your hair every 5-10 minutes during the process to gauge how light it’s getting and rinse off once you achieve your desired level of lightness.

Remember that overbleaching or frequent bleaching sessions can severely damage your hair strands, so it’s crucial to give enough time in between each session for proper recovery.

Essential Tools for Bleaching Black Hair

Essential Tools for Bleaching Black Hair
Gather the essential tools for bleaching your black hair. Here are four items you’ll need:

  • Plastic gloves: Protect your hands from coming into direct contact with the bleach and chemicals.
  • Tinting brush: Use a tinting brush to apply the bleach evenly throughout your hair, ensuring thorough coverage.
  • Developer: This is an important component of the bleach mixture that helps activate and lighten your hair color.
  • Toner: After bleaching, toner helps eliminate any unwanted brassy or yellow tones in your hair, giving it a more desired shade.

Additionally, don’t forget to have a balancing shampoo on hand as part of aftercare for maintaining healthy-looking colored locks.

Do’s for Bleaching Dark Hair

To achieve the best results when bleaching dark hair, you should always protect and nourish your strands throughout the process.

Here are some essential do’s for bleaching dark hair:

First, use a bond builder like Olaplex to strengthen and protect your hair from damage during the bleach.

Additionally, consider trimming your ends before starting to remove any existing damage or split ends.

Deep conditioning treatments are crucial both before and after bleaching to restore moisture and prevent breakage.

Make sure to also use a heat protectant spray before using any styling tools on your freshly bleached locks.

Finally, opt for gentle shampoos that won’t further strip or dry out your already processed hair.

Following these do’s will help ensure healthier-looking results while maintaining the integrity of your dark tresses.

Don’ts for Bleaching Dark Hai

Now that you know the do’s for bleaching dark hair, it’s important to also understand the don’ts. By avoiding these common mistakes, you can protect your hair from damage and achieve better results.

Here are some key things to keep in mind when bleaching dark hair:

  • Don’t bleach your hair too often: Bleaching is a harsh process that can strip away natural oils and weaken the structure of your strands. Overbleaching can lead to dryness, breakage, and loss of elasticity.
  • Don’t use too much bleach: Using excessive amounts of bleach can increase the risk of damaging your hair. Follow the instructions on the product carefully and avoid overdoing it.
  • Don’t leave the bleach on too long: Leaving bleach on for longer than recommended won’t make your hair lighter faster; instead, it will only increase damage potential.
  • Don’t bleach damaged or compromised hair.

Frequently Asked Questions (FAQs)

Can you bleach black hair without using aluminum foil?

Yes, you can bleach black hair without using aluminum foil. It isn’t essential for the bleaching process, but some people prefer to use it as it helps generate heat and speed up the development of the bleach.

How often should you trim your hair after bleaching?

After bleaching black hair, it’s recommended to get a trim within a week.

This helps remove any damaged ends and promotes healthier hair growth.

Regular trims every 6-8 weeks can help maintain the integrity of your newly lightened locks.

Can you use regular shampoo after bleaching your hair?

Yes, you can use regular shampoo after bleaching your hair. However, it’s recommended to use a gentle shampoo and conditioner specifically designed for color-treated hair to maintain the health and vibrancy of your newly lightened locks.

Is it possible to bleach black hair to a platinum blonde color in one session?

Achieving platinum blonde from black hair in one session is difficult due to the amount of melanin present.

It may require multiple bleaching sessions, spaced out over time, to reach the desired shade while minimizing damage and maintaining healthy hair.

How long should you wait before applying toner after bleaching black hair?

After bleaching black hair, wait 24 to 48 hours before applying toner.

This allows the hair cuticles to close and restore pH balance.

Applying toner too soon can lead to uneven color results.


Achieve your dream of stunning bleached blonde hair by following these step-by-step instructions on how long it takes to bleach black hair.

Start by preparing the necessary tools and applying coconut oil or olive oil to protect your hair.

Mix the bleaching powder and apply it evenly, being careful to avoid the scalp.

Aftercare is crucial to maintain the health and beauty of your bleached hair.

Depending on the darkness of your hair, multiple bleaching sessions may be needed.

The duration of the bleaching process will vary, but with proper care, you can achieve your desired blonde look.

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Mutasim Sweileh

Mutasim is a published author and software engineer and beard care expert from the US. To date, he has helped thousands of men make their beards look better and get fatter. His work has been mentioned in countless notable publications on men's care and style and has been cited in Seeker, Wikihow, GQ, TED, and Buzzfeed.