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Is Hair Bleach Really That Bad for your hair? Let's explore.

Updated: Oct 11, 2023

Whether you've experimented with every hair color under the sun or embraced your natural hue, chances are you've encountered numerous misconceptions surrounding hair bleaching. We've observed new clients coming in with hair that's porous and brittle, often attributing these issues to the application of bleach on their hair.


But is this truly accurate? Is bleaching your hair as terrible as it's often made out to be? Will it permanently alter your hair's texture and health? The answer is not necessarily, which is fantastic news! Let's delve into this topic in more detail.


What Exactly Is Hair Bleach?


Hair bleach works by oxidizing and removing the pigment from your hair shaft. Achieving a lighter hair shade is virtually impossible without the use of a bleaching (or oxidizing) agent.


Hydrogen peroxide serves as the primary oxidizing agent, while ammonia, the alkalizing agent, is used to open the hair cuticle, allowing the oxidizer to penetrate the hair. These two components are frequently combined because using them separately results in instability and slow hair lightening. Don't be misled by products labeled 'peroxide-free' as they may contain alternative oxidizing agents that can be more damaging to your hair.


Here, we present common myths about hair bleaching to ensure you are fully and accurately informed before attempting the latest hair color trends:


1. Washing Your Hair Before Bleaching Is Recommended - Nope!

In fact, the opposite is true. It is advisable to have unwashed hair for the bleaching process, as hair oils help protect your scalp during bleaching. Additionally, washing your hair before bleaching can agitate your scalp and cause unnecessary irritation. So, if you've ever wondered whether you should wash your hair before bleaching, the answer is a resounding no.


2. Bleaching Can Go Wrong, Even in Professional Salons - Not really!

With the right expertise, bleaching can be a smooth process. Advances in hair product technology have eliminated most concerns about bleaching. The main consideration should be finding a skilled hair colorist to perform the procedure, as DIY attempts are likely to yield subpar results. A professional colorist possesses a thorough understanding of the precise bleach concentration and blend necessary to safeguard the hair against damage. This understanding is based on several crucial factors:

  • The existing shade and tone of the hair, as well as the desired new color.

  • The current state of the hair, which encompasses its porosity, elasticity, and any past treatments, such as henna application. It's essential to consider that some henna products may contain metallic salts, which can react with chemicals in dyes.

Furthermore, it's imperative to maintain continuous oversight throughout the bleaching process to assess the achieved level of lightening, ensuring it aligns with the requirements for the subsequent color application.


While the idea of bleaching your hair at home may be appealing, it's best to seek professional assistance. Bleach is still a chemical that should be handled by trained professionals.


3. Bleaching Irreparably Damages Your Hair - We don't think so!

Although the core technology of bleach remains largely unchanged, there are now products available, like On protection from Davines, that act as bond protectors. These products are added to the bleach to safeguard and strengthen your hair's bonds during the lightening process. Additionally, conditioning treatments performed after bleaching can further protect and nourish your hair.


Many glossing and coloring products used after bleaching contain low peroxide levels, amino acids, proteins, and Omega 9 bases, which help condition your hair rather than subject it to chemical stress. If done professionally, the bleaching process won't harm your hair. The key is to monitor your hair's condition at each step and consult with an experienced colorist to determine the safest process and products for your hair type.


4. Bleaching Is Pointless Because the Desired Tone Doesn't Last - all depends on you!

The misconception that your desired shade won't last long can be discouraging. However, by following a proper at-home regimen, you can maintain the desired tone of your newly bleached locks using pigmented shampoos and conditioners like Davines Copper or silver shampoos and conditioners.


Several factors can affect the longevity of your hair tone, but they can be managed. The durability of your toner depends on how often you shampoo your hair, use heat styling tools, and your hair's exposure to natural elements. Sunlight and heat styling can fade your toner. Additionally, bleached hair tends to be less oily than unbleached hair, so shampooing 1-2 times a week is generally sufficient if your hair is fully bleached.


How to Restore Hair That Has Been Damaged by Bleaching?

Is Repair Possible? Absolutely, Yes!

Damage caused by bleaching often manifests through various common issues and symptoms, including:


  • Dry hair

  • Brittle hair

  • Lacking elasticity

  • Prone to breakage

  • Susceptible to split ends


Moreover, bleached hair tends to be more porous, rendering it vulnerable to a range of chemical and environmental stressors. These can encompass everything from the heat generated by blow dryers and curling irons to the effects of sunlight, rain, and wind.


For In-Salon Treatments,

If you observe any of these symptoms in your hair as a result of previous coloring processes, we highly recommend undergoing a monthly series of 6 sessions of bond replenishment therapy available at our salon. You'll be able to witness the results firsthand.


Regarding Post-Treatment Care,


Commence your hair care routine with a color-safe shampoo, and always use cool or lukewarm water for washing—avoid hot water! Davines Minu Shampoo and conditioner are ideal choices for bleached and colored hair. They contain quercetin, which protects hair color with polyphenols and proteins that bond to your hair, offering repair and protection even after shampooing.



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