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Blonde Brilliance: Unveiling How Hydrogen Peroxide Transforms Hair Cuticles in Highlighting Services

Understanding Hydrogen Peroxide and the Hair Cuticle in Highlighting Services

Hello, hair enthusiasts! Whether you're a blonde connoisseur or colouring your hair for the first time, this article will explain how healthy colouring works. Today, let's delve into a crucial aspect of hair highlighting: the role of hydrogen peroxide and its impact on the hair cuticle. As a hairstylist passionate about achieving beautiful, healthy hair for my clients, understanding this process is key to ensuring stunning results without compromising hair health.

The Role of Hydrogen Peroxide

Hydrogen peroxide is a common ingredient in hair bleaching products used during highlighting services. Its primary function is to penetrate the hair shaft and break down the natural pigment, allowing the desired lighter shade to develop. The strength or volume of hydrogen peroxide used determines the intensity and speed of the lightening process.

Effect on the Hair Cuticle

The hair cuticle, the outermost layer of each hair strand, plays a crucial role in protecting the inner layers from damage and moisture loss. During a highlighting service, hydrogen peroxide mixed with bleach opens the hair cuticle to allow the bleaching agent to penetrate deeply into the hair shaft.

Different Levels of Hydrogen Peroxide:

  1. Lower Volumes (6-10 Volume): I love to use them and use them for 90% of my lightening services! These lower volumes of hydrogen peroxide are typically used for gentle lightening or when the hair's natural pigment is already light. They cause minimal damage to the cuticle, making them suitable for delicate or fine hair textures.

  2. Medium Volumes (20 Volume): This strength is commonly used for moderate lightening, suitable for darker hair shades. It opens the cuticle more extensively to remove deeper pigments but requires careful monitoring to prevent over-processing. - I very rarely use the 20 Vol mainly for very dark and thick hair types.

  3. Higher Volumes (30-40 Volume and above): Reserved for significant lightening, such as when transitioning from dark to very light shades. High-volume hydrogen peroxide aggressively lifts pigment and opens the cuticle widely. However, it also poses a higher risk of damage if not used correctly, potentially causing dryness, brittleness, and breakage. - I never use these for lightening services due to their aggressiveness.

Maintaining Hair Health

As a hairstylist, my priority is achieving beautiful results while preserving the integrity of your hair. Proper application techniques, timing, and using conditioning treatments are essential to minimize damage during and after the highlighting process. Post-treatment care, such as deep conditioning masks and regular trims, helps maintain the hair's strength and vitality.

Consultation and Expertise

Every client's hair is unique, and determining the appropriate level of hydrogen peroxide for a highlighting service requires careful consideration of hair type, condition, and desired results. A thorough consultation ensures that we tailor the process to meet your hair goals while keeping it healthy and vibrant.


Understanding how different levels of hydrogen peroxide mixed with bleach affect the hair cuticle is fundamental to delivering exceptional highlighting results safely. By balancing effectiveness with care, we can achieve stunning transformations while keeping your hair strong and radiant.

Here's to illuminating your beauty with every highlight!

Until next time, Kateryna

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