Removing Blue-Black Hair Color: What Actually Happens
Dekapcolor is a color remiver designed to shrink artificial pigment molecules so they can be washed out of the hair shaft. It does not bleach the hair. When you apply it to blue-black or dark blue hair, you are not stripping color — you are breaking the bonds that hold synthetic dye inside the cortex. The result is usually a warm orange or copper base, sometimes with stubborn blue undertones depending on how the original color was layered. I have dealt with enough botched blue-black dye jobs to know that the outcome is never perfectly predictable. One client came in with a two-tone disaster: the roots were faded blue from a previous semi-permanent wash, and the mid-lengths to ends were a deep obsidian black. Dekapcolor lifted the black sections cleanly to a soft copper, but the blue deposits clung stubbornly near the cuticle. I had to mix in a small amount of clear conditioner to extend processing time on those resistant patches, and even then, a faint blue-green cast remained until we applied a violet-toned depositing conditioner the next day.
dekapcolor antes e depois cabelo preto azulado
The before-and-after photographs you see online are usually taken under studio lighting, which makes the copper stage look far warmer and more uniform than it typically appears in natural light. In practice, the "after" from a single dekapping session on blue-black hair is almost always a brassy orange-copper transitional state. That is normal. The hair needs a follow-up toning or recoloring step if the goal is not to go blonde. Here is how the process works on a practical level. You start with dry, unwashed hair — natural oils provide a minor protective barrier. Mix the powder and developer according to the manufacturer's ratio, usually 1:1 or 1:2 depending on product version. Apply quickly and thoroughly, saturating every strand from root to tip. Processing time ranges from 20 to 40 minutes. Check the hair every 10 minutes by cutting a small section open with scissors. If the interior still shows dark pigment, continue. Once the pigment has visibly lifted, emulsify by adding a small amount of water and massaging the hair for 2 minutes before rinsing.
👉 Clique no botão abaixo para saber mais sobre o assunto!
After rinsing, do not shampoo immediately. Condition well and let the hair recover for at least 24 hours before any additional chemical service. Applying color over freshly dekapped hair often results in uneven uptake because the cuticle is still raised and the porosity is unpredictable. Wait a day, assess the base tone, then decide whether to tone, deposit, or re-color. One thing beginners consistently overlook is that blue-black dyes often contain a mix of direct dyes and oxidative pigments. The direct dyes, especially the blue and violet components, are smaller molecules and can resist reduction by the dekapping agent. If your end result after one session still shows a slate or greenish tint, a second light pass with a half-strength mixture can clean it up without over-processing. I learned this the hard way on a client whose hair had been colored with a professional-grade black-blue shade that contained indigo. One session left a muddy teal undertone. A second cautious pass resolved it.
There are limitations worth noting upfront. Dekapcolor will not lift natural melanin. If the hair was naturally dark and then colored blue-black, the result after treatment will still be dark at the roots where virgin hair exists. It also cannot remove gray or white hair dye if the hair was pre-lightened before coloring. The process increases porosity, so expect dryness and some fragility afterward. If the hair has been previously relaxed or heavily bleached, the structural stress from dekapping can push it toward breakage. In those cases, a conservative approach with shorter processing times and intensive bond-building treatments is necessary. For salon use, the product is available through professional beauty supply distributors. Some regions carry it under localized brand names, so verify the active ingredients list to ensure consistency. The typical retail price for a full kit capable of processing medium-length hair falls in the range of 80 to 150 reais depending on the supplier. Always patch-test on a small hidden section first, especially if the hair history is unclear.
If the goal is a significantly lighter shade rather than a simple tonal correction, dekapping alone will not reach past the orange stage on deeply pigmented blue-black hair. A controlled lightening protocol with proper monitoring would be required afterward, and that should ideally be done by someone who can assess the hair's integrity in real time.