To remove red tones from brown hair, the most effective method recommended is using a blue shampoo.
Counteracting Red Tones in Brown Hair
Brown hair can sometimes develop unwanted red or orange undertones, often referred to as brassiness. This happens due to underlying pigments in the hair that become visible as artificial colour fades or during the lightening process. Just like purple shampoo is used to cancel out yellow tones in blonde hair, blue shampoo works on brown hair because blue is opposite orange and red on the colour wheel, effectively neutralizing these warm pigments.
Based on expert advice, blue shampoo is the best way to knock out the brassy, red, and orange tones in brown hair, especially for those with highlights. For a long time, options for brunettes to combat unwanted tones were limited, unlike the variety of purple shampoos available for blondes to tackle yellowing.
Why Blue Shampoo Works
Understanding basic colour theory helps explain why blue shampoo is effective:
- Colour Wheel: Colours opposite each other on the colour wheel cancel each other out.
- Brown Hair Undertones: The underlying pigments in brown hair are typically red and orange.
- Blue Pigments: Blue shampoo deposits blue pigments onto the hair shaft.
When the blue pigments from the shampoo come into contact with the red and orange tones in your hair, they neutralize these unwanted warm colours, resulting in a cooler, more natural-looking brown shade.
How to Use Blue Shampoo
Using blue shampoo is similar to using regular shampoo, but with a few key differences:
- Wet Hair: Thoroughly wet your hair.
- Apply Shampoo: Apply the blue shampoo, focusing on the areas with the most red or orange tones.
- Lather: Lather the shampoo into your hair.
- Let Sit: This is the crucial step. Leave the shampoo on for the recommended time. This varies depending on the product and how much toning is needed, usually between 2-10 minutes. Check the product instructions.
- Rinse: Rinse thoroughly until the water runs clear.
- Condition: Follow with a conditioner, as toning shampoos can sometimes be drying.
It's generally not recommended to use blue shampoo every time you wash your hair, as overuse can potentially deposit too much blue pigment, giving the hair a bluish tint. Start by using it once a week or every few washes, and adjust based on your hair's response.
Toning Solutions at a Glance
Here's a simple comparison based on common toning needs:
| Hair Colour | Unwanted Tone(s) | Recommended Toning Product |
|---|---|---|
| Brown | Red, Orange | Blue Shampoo |
| Blonde | Yellow | Purple Shampoo |
Using blue shampoo is a simple yet effective way for brunettes to maintain a cool, even-toned look and eliminate those stubborn red and orange brassy tones.
