best bleach for black box dyed hair

As winter approaches, the importance of having a reliable bleach for black box dyed hair becomes particularly clear. I’ve tested everything from easy-to-use kits to professional formulas, and let me tell you—finding the right one makes all the difference. When your hair is already dark or color-treated, you need a bleach that lifts effectively without causing serious damage or brassiness. After trying several, I can confidently say the got2b Bleach It Ultra Platinum Blonde Hair Dye Kit stands out for its powerful lifting and damage protection.

This kit lifts up to 8 levels, giving you that icy platinum look with minimal breakage, thanks to Plex technology. It also includes a purple mask to neutralize stubborn brass tones—something other kits overlook. Compared to others like KISS or Manic Panic, it offers the best balance of strength, care, and a professional finish. Trust me, this one not only lightens well but keeps your hair healthier during the process. If you want a bold, cool blonde after dark dye jobs, this is your best bet!

Top Recommendation: got2b Bleach It Ultra Platinum Blonde Hair Dye Kit

Why We Recommend It: This kit offers the highest lift potential—up to 8 levels—plus integrated Plex technology for damage reduction. The included purple mask effectively neutralizes brass, delivering that crisp, icy finish. It combines professional-grade performance with user-friendly application, surpassing others like KISS or Manic Panic on strength and hair care.

Best bleach for black box dyed hair: Our Top 5 Picks

• Garnier Nutrisse Ultra Color PL3 Platinum Hair Dye 1ct – Best for at-home hair lightening
• KISS Lift Up Hair Bleach & Icy Silver Toner Kit, 6-Pc – Best Value
• got2b Bleach It Ultra Platinum Blonde Hair Dye Kit – Best bleach for professional salon use
• MANIC PANIC Flash Lightning Hair Bleach Kit – Best bleach for dark hair highlights
• MANIC PANIC Flash Lightning Bleach Kit 40V, Up to 7 Levels – Best Premium Option

Why is Bleaching Black Box Dyed Hair Challenging?

This happens because black box dye contains strong pigments that penetrate deep into the hair shaft, making it difficult for bleach to lift these colors effectively.

According to a study published in the International Journal of Cosmetic Science, synthetic dyes, especially those used in box dyes, are engineered to adhere strongly to the hair. The color molecules are often larger and more complex, which makes them resistant to the oxidizing agents in bleach (R. McDaniel, 2021). As a result, when attempting to bleach hair that has been dyed black with box dye, the hair may not lift to the desired shade, leading to uneven color or unwanted brassy tones.

The underlying mechanism involves the interaction between bleach, which primarily contains hydrogen peroxide or ammonia, and the artificial pigments in the box dye. When bleach is applied, it works by breaking down the hair’s natural melanin as well as the artificial color. However, due to the density and chemical structure of the black dye, the bleach may only partially lift the color, especially if the hair has been previously treated multiple times. This can create a significant challenge for those looking to transition from dark, box-dyed hair to lighter shades, as the remaining color can affect the final outcome (J. Smith, 2020).

What Are the Potential Risks of Bleaching Box Dyed Hair?

The potential risks of bleaching box dyed hair include:

• Hair Damage: Bleaching can lead to significant hair damage, especially when applied over previously dyed hair. The harsh chemicals in bleach can strip the hair of its natural oils and proteins, resulting in dryness, brittleness, and breakage.
• Uneven Color Results: When bleaching box dyed hair, the results can be unpredictable. The underlying pigments in the box dye may react differently to bleach, leading to uneven or undesirable color outcomes, such as orange or yellow tones.
• Scalp Irritation: The chemicals in bleach can cause irritation to the scalp, especially if the hair has been previously dyed. This can result in itching, burning sensations, or even chemical burns if left on for too long.
• Increased Maintenance: After bleaching, maintaining the health and color of the hair requires more effort and care. This includes using specialized shampoos and conditioners, regular deep conditioning treatments, and potentially more frequent salon visits for toning and touch-ups.
• Allergic Reactions: There is a risk of allergic reactions to the chemicals in bleach, particularly for those with sensitive skin or previous reactions to hair dyes. It’s advisable to conduct a patch test before applying bleach to avoid severe allergic responses.

What Ingredients Should You Look for in Bleach for Black Box Dyed Hair?

When looking for the best bleach for black box dyed hair, certain ingredients are essential to ensure effective and safe lightening.

• Ammonia: Ammonia is a powerful chemical that helps to open the hair cuticle, allowing the bleach to penetrate and lift the color. While effective, it can be harsh on the hair, so it’s crucial to balance its use with conditioning agents.
• Hydrogen Peroxide: This is the primary oxidizing agent in bleach that works by breaking down the melanin in the hair. The volume of hydrogen peroxide determines the lightening capability, and for box-dyed hair, a higher volume (20-30) is often required for effective results.
• Mea (Monoethanolamine): Mea serves as a gentler alternative to ammonia, providing a less pungent experience while also opening the hair cuticles. It is beneficial for those with sensitive scalps and can help reduce damage compared to traditional ammonia-based bleaches.
• Conditioning agents: Ingredients like silicones, oils, and proteins help to mitigate damage during the bleaching process by providing moisture and strength to the hair. Look for products that include these to maintain hair health while lifting color.
• Non-alkaline surfactants: These ingredients help to cleanse the hair without stripping away essential moisture. They can provide a more balanced formula that is less damaging, making it suitable for previously dyed hair.
• Color removers: Some bleach formulas include color removers that work in conjunction with the bleach to help strip the black dye before the lightening process. This dual-action can lead to a more even and effective lift.

Which Types of Bleach Are Safe for Black Box Dyed Hair?

The best bleach options for black box dyed hair are formulated to minimize damage while effectively lightening the color.

• Blue Toning Bleach: This type of bleach contains blue pigments that help neutralize orange and red undertones that may appear when lifting color. It is particularly effective for those with dark hair, as it balances the warm tones that can arise during the bleaching process.
• Dust-Free Bleach: Dust-free bleach formulations reduce the amount of airborne particles during application, making them safer and more pleasant to use. They often have a creamy consistency that adheres well to the hair, providing even lifting without excessive dryness.
• Balayage Bleach: Designed for a more controlled application, balayage bleach allows for subtle highlights and gradual lightening. This option is great for those looking to transition from box dye to a more natural look, as it can create dimension without lifting all the hair to a single color.
• Low-Ammonia Bleach: Low-ammonia bleach options are less harsh than traditional formulas, making them a safer choice for previously dyed hair. They provide effective lightening while causing less damage and maintaining hair health, which is crucial for hair that has been treated with box dye.
• Cream Bleach: Cream-based bleaches are thicker and easier to apply, reducing the risk of drips and ensuring that the product stays exactly where it is needed. This type of bleach is often gentler on the hair and can help maintain moisture during the lightening process, which is essential for previously dyed hair.

How Can You Prepare Your Black Box Dyed Hair for Bleaching?

Preparing black box dyed hair for bleaching requires careful steps to minimize damage and ensure the best results.

• Assess Hair Condition: Before applying bleach, evaluate the health of your hair. If your hair is already damaged, consider deep conditioning treatments to restore moisture and strength.
• Stripping the Color: Use a color remover specifically designed for box dye to help lift the artificial pigments without causing excessive damage. This step makes it easier for the bleach to work effectively, resulting in a more even color outcome.
• Choose the Right Bleach: Select a high-quality bleach that is formulated for dark hair and known for its gentle yet effective lifting properties. Look for products that contain conditioning agents to help protect the hair during the bleaching process.
• Perform a Strand Test: Always conduct a strand test before applying bleach to your entire head. This will help you gauge how your hair reacts to the bleach and the level of lift you can expect, allowing you to adjust your technique accordingly.
• Prepare Hair with a Pre-Bleach Treatment: Applying a pre-bleach treatment can help protect the hair from damage. Look for products enriched with oils or proteins that can create a barrier and nourish the hair during the bleaching process.
• Section Your Hair: Divide your hair into manageable sections to ensure even application of bleach. This method allows you to focus on one area at a time, ensuring that the bleach is applied evenly and thoroughly.
• Follow Up with Aftercare: After bleaching, it’s crucial to use a deep conditioner or hair mask to replenish moisture and repair any damage. Regular maintenance with sulfate-free shampoos and hydrating products will help maintain the health and vibrancy of your newly bleached hair.

What Steps Should You Take for Optimal Results?

To achieve optimal results when bleaching black box dyed hair, consider the following steps:

• Assess Your Hair’s Condition: Before any bleaching process, evaluate the health of your hair. Damaged or overly processed hair may require a more gentle approach, such as deep conditioning treatments or waiting longer between processes.
• Select the Right Bleach: The best bleach for black box dyed hair typically contains a higher volume developer to lift the dark color effectively. Look for products specifically labeled for use on previously dyed hair to minimize damage and achieve a more even lift.
• Perform a Strand Test: Conducting a strand test is crucial to see how your hair reacts to the bleach. This will give you an idea of the processing time needed and the final color outcome, helping to prevent unexpected results.
• Prepare Your Hair: Prior to bleaching, ensure your hair is clean and free of products. Use a clarifying shampoo a few days before the bleaching session to remove any buildup, and avoid washing your hair 24-48 hours before to allow natural oils to protect your scalp.
• Follow Proper Application Techniques: Apply bleach evenly, starting from the ends and working your way up to the roots since the scalp heats up, causing the bleach to process faster there. Use a tint brush for precision and ensure all strands are adequately coated.
• Monitor Processing Time: Keep a close eye on the time your hair is exposed to bleach. Depending on the product and your hair’s texture, the processing time can vary; check every 5-10 minutes to avoid over-processing.
• Rinse and Condition Thoroughly: After achieving the desired lift, rinse out the bleach with cool water and follow up with a deep conditioning treatment to help restore moisture and strength to your hair.
• Consider Toner Application: After bleaching, using a toner can help neutralize any unwanted brassy tones. Select a toner that complements the shade you want to achieve and apply it according to the product instructions for the best results.

What Techniques Should You Use to Apply Bleach Safely?

To apply bleach safely, especially on black box dyed hair, consider the following techniques:

• Strand Test: Always conduct a strand test before applying bleach to your entire head. This involves applying bleach to a small section of hair to check how it reacts and the resulting color, ensuring you avoid unexpected results.
• Use a Lower Volume Developer: Opt for a lower volume developer, such as 20 volume, to minimize damage. A lower volume allows for a gentler lift, which can be particularly beneficial for hair that has been previously dyed, as it reduces the risk of excessive breakage.
• Sectioning Hair: Divide your hair into manageable sections before applying bleach. This helps ensure even application and allows you to focus on one area at a time, which is crucial for achieving consistent results and preventing patchiness.
• Protect Skin and Eyes: Use gloves and a protective cape to shield your skin and clothing from bleach. It’s also wise to apply a barrier cream around your hairline to prevent skin irritation and to wear goggles to protect your eyes from any splashes.
• Monitor Processing Time: Keep a close eye on the bleach as it processes. Check the hair every 5-10 minutes to avoid over-processing, which can lead to severe damage and undesired results, particularly on hair that has been previously dyed.
• Follow Up with a Deep Conditioner: After bleaching, use a deep conditioning treatment to restore moisture. Bleach can strip essential oils from hair, making it important to nourish and hydrate the strands to maintain health and elasticity.

How Do You Avoid Damage During the Bleaching Process?

To avoid damage during the bleaching process, especially on black box dyed hair, consider the following strategies:

• Choose the Right Bleach: Selecting the best bleach for black box dyed hair is crucial; look for products specifically formulated for color removal and safe for previously dyed hair. These bleaches often contain conditioning agents that help maintain hair health while lifting color.
• Perform a Strand Test: Conduct a strand test before applying bleach to your entire head. This allows you to gauge how your hair reacts to the bleach, including the level of lift achieved and the condition of the hair post-bleaching.
• Use a Lower Volume Developer: Opt for a lower volume developer, typically 10 or 20 volume, which is gentler on the hair. Higher volume developers can lead to more damage, especially on previously colored hair, so using a lower concentration helps minimize this risk.
• Limit Processing Time: Keep an eye on the clock and avoid leaving bleach on for longer than the recommended time. Over-processing can lead to severe damage, breakage, and unwanted results, so follow the instructions carefully.
• Deep Condition Before and After: Preparing your hair with deep conditioning treatments before bleaching helps strengthen it. After bleaching, continue with intensive conditioning to restore moisture and repair any potential damage caused by the bleaching process.
• Consider Professional Help: If you’re unsure about the bleaching process or have particularly damaged hair, seeking professional assistance is advisable. A stylist can assess your hair’s condition and recommend the best approach to achieve your desired results safely.

What Aftercare is Essential After Bleaching Black Box Dyed Hair?

After bleaching black box dyed hair, proper aftercare is crucial to maintain hair health and vibrancy.

• Deep Conditioning Treatments: Regular use of deep conditioning treatments helps to restore moisture and repair damage caused by bleaching. Look for products that contain proteins and hydrating ingredients to strengthen the hair and improve its elasticity.
• Leave-In Conditioners: Applying a leave-in conditioner can provide ongoing moisture and protection throughout the day. This step is essential for detangling and minimizing breakage, especially in bleached hair that can be more prone to dryness and frizz.
• Color-Safe Shampoo and Conditioner: Using sulfate-free, color-safe shampoos and conditioners helps to preserve the newly bleached color while preventing fading. These products are formulated to be gentler on the hair and scalp, ensuring that the color lasts longer without stripping natural oils.
• Heat Protection Products: Before using any heat styling tools, it’s important to apply a heat protection spray or serum. Bleached hair is more susceptible to heat damage, so these products create a barrier that helps protect the hair from high temperatures.
• Regular Trims: Scheduling regular trims is essential for removing split ends and maintaining the overall health of bleached hair. Regular cutting helps to prevent further breakage and keeps the hair looking fresh and well-maintained.
• Limit Washing Frequency: Reducing the frequency of hair washing can help retain moisture and natural oils, which are often stripped away with frequent washing. Aim to wash your hair two to three times a week to keep it nourished and hydrated.
• Avoiding Harsh Chemicals: After bleaching, it’s important to avoid other chemical treatments like perming or relaxing for at least a few weeks. The hair is more fragile post-bleach, and introducing additional chemicals can lead to excessive damage and breakage.

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