Tag results for > Colour Theory

Articles

Absorption and Reflection

Subtractive colour is created by the destruction of certain colours, for example a piece of yellow cheese only looks yellow to u ...

Applying Colour Products

The method of applying a hair colouring product will vary depending on the desired effect, product used and hair type. There are ...

Artificial Pigments

Developed Pigments All semi-permanent hair colours contain developed pigments (see image General Ingredients in Semi-Permane ...

Behaviour of Melanin

Eumelanin (dark grey/brown) can be broken down far easier than the red/yellow pheomelanin pigments. Eumelanin pigments are large ...

Bleaching

Bleaching (bibliography 1) involves partial or complete de-colouring of the existing natural melanin content of the hair. The mo ...

Blonde Products

Bleach Bleach does not technically colour the hair but removes existing colour to create a lighter result (see image The Influe ...

Breakdown of Components

(see image General Ingredients found in Permanent Colour) Some colour-building chemicals are found in semi-permanent products, ...

Colour Psychology

Colour has a huge impact on our everyday life experience. Chromatic Colours Red Red is seen as a positive, energising, emotio ...

Colouring Product Differences

The modern hairdressing salon today should have all the necessary tools and knowledge required in order to create, with the occa ...

Combining Form and Colour

Special guidelines apply where tinted or coloured, bleached or highlifted hair is concerned. The use of colour in formed hair ...

Demi-Permanent Colour

The term demi-permanent refers to a relatively new range of colouring products that combine permanent and semi-permanent technol ...

How Do We See Colour?

Human vision relies on light-sensitive cells found within the retina of the eye. There are two types of sensor: rods and cones. ...

Mixing Colour

Hair colouring products should always be prepared after a client analysis and with due consideration of hair care procedures. Fo ...

Mixing Peroxide with a Colouring Cream

The process of mixing, for example 50 grams of hydrogen peroxide with 50 grams of colouring cream, will dilute the strength of t ...

Natural Hair Colour

Understanding the nature of natural hair is an essential part of the process of becoming a hair colouring expert. Hair at the ro ...

Oxidation

Oxidation takes place when an unstable atom loses an electron, thus allowing the atom to form a new compound with another elemen ...

Permanent Colour

Oxidative tints combine three chemical components; alkalising agents and colourless dyestuffs are already present in the colouri ...

pH of the Hair and Scalp

Maintaining the correct pH value of the hair and scalp is essential for the overall health of hair. Hair products can control th ...

Plant-Based Colour

Natural hair dyes have been in use, as far as we know, since ancient Egyptian times when cochineal (a type of red beetle) and he ...

Semi-Permanent Colour

Semi-permanent colouring products typically resist between 4 to 15 shampoos, and this makes them very popular with clients who ...

Images

	Beneficial Effects of Combining Care & Colour Products
	Colour Compensation on Partial White Hair
	Colour Wheel
	Colouring and Blending White Hair
	General Ingredients found in Demi-Permanent Colour
	General Ingredients found in Permanent Colour
	General Ingredients in Semi-Permanent Colour
	Hair Colour Type Comparisons
	Mixing Primary Colours
	Product Penetration: Semi-Permanent versus Oxidative Colour
	Schwarzkopf Professional Colour Levels
	Schwarzkopf Professional Colour Wheel
	Shade Level versus Development Time for Natural/White Hair
	The Effect of Artificial Pigment on Different Hair Diameters
	The Effect of Light Refraction on a Black or White Surface
	The Effect of White Light Refracted Through a Prism