How to bleach hair using Coca-Cola and baking soda without damaging it. Discover this professional step by step technique to remove dark pigment and achieve a gentle and effective lightening. Watch the video it’s easy and quick to do.
In the world of hair coloring, more and more colorists are experimenting with alternative techniques to enhance techniques to enhance bleaching without resorting to high volumes.. One of the most talked-about formulas of late is that of the using Coca-Cola as a pretreatment to soften the dark pigmentsand then add baking soda add baking soda to the bleaching powder to enhance the lightening to improve the lightening power.
Does it work, is it safe, what results can we expect? In this article we explain step by step this technique, its fundamentals and how to integrate it responsibly in your professional work.
Why use Coca-Cola before bleaching?
Coca-Cola has an acidic pH close to 2.5, which helps to slightly open the hair cuticle. helps to slightly open the hair cuticle without using aggressive chemicals. This property can slightly soften the outer layer of the cosmetic pigment, facilitating more effective removal on black or dark brown hair.facilitating a more effective removal on black or dark brown colored hair.
How is it applied?
– Apply Coca-Cola on dry hair.
– Leave on for 15 to 20 minutes as an acid pretreatment.
– Rinse with water (no shampoo) and towel dry.
The power of baking soda in the bleaching mixture
Sodium bicarbonate has an alkaline pH (9) and when combined with the bleaching powder, activates the bleaching agents more quickly. activates the lightening agents more quickly. It is ideal when working with low oxidants (10 or 20 volumes).
Suggested quantity: Half teaspoon (maximum one) per 30 g of bleaching powder.
Step by step: Complete technique
1. Apply Coca-Cola as indicated.
2. Prepare the mixture: bleaching powder + oxidizing agent 20 vol + bicarbonate.
3. Apply in thin sections, starting with the mid-lengths and ends.
4. Exposure time: 35 to 45 minutes, checking every 10 min.
5. Wash with acid shampoo and apply moisturizing mask.
Expected results
– More effective lightening at low volumes.
– Progressive elimination of accumulated dark pigments.
– Less capillary aggression.
Important precautions
– Do not use on sensitized or very porous hair.
– Do not exceed the amount of bicarbonate.
– Always seal with post-decolorization treatment.
Very Important!
The combination of Coca-Cola as a pretreatment and bicarbonate in the bleaching powder is an interesting alternative to work with dark bases without damaging them. is an interesting alternative for working with dark bases without damagingespecially in progressive processes. Accompanied by a good nuance, the results can be spectacular.
Do you want to learn more about techniques to achieve cool blondes?
Read also: Professional blonde shading: ideal shades, blends and timings
Professional Shading Chart: Neutralize oranges and yellows according to the achieved height
Once the bleaching process has been completed, shading is essential. coloring is essential to achieve the desired color, correct to achieve the desired color, correct warm highlights and give the hair a uniform, luminous finish.
Why shade after bleaching?
– Neutralizes residual pigments (orange, yellow).
– Corrects the base according to colorimetry.
– Provides durability and brightness to the final color.
Table of shading according to the exposed fund
Depth Expressed Height Residual Pigment Shading Example Oxidant
Intense orange 7 Copper Deep ash 7.1 o 7.11 10 vol
Mild orange 8 Copper/yellow Ash or pearl 8.11 o 8.21 10 vol
Strong yellow 9 Pure yellow Pearl or violet 9.21 o 9.22 10 vol
Pale yellow 10 Very slight yellow Pearl or platinum 10.21 o 10.12 10 vol
Clean background 10+ No visible pigment Free tone Beige, ash… 10 vol. or color bath
Intense formula: 1 part tone + 1.5 parts oxidizer 10 vol.
How to prepare the shading agent?
Gentle formula: 1 part tone + 2 parts oxidant + 1 part acid mask.
Exposure time: 10 to 20 minutes depending on porosity.
Final recommendations
– Always seal with acid pH treatment.
– Use blue or violet shampoo according to the pigment to be controlled.
Benefits of using Coca-Cola to bleach your hair – How to apply baking soda for professional results – Tips to lighten without damaging your hair at home
