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A formulator’s guide to working with colourants

There is considerable art, as well as science, in developing products that meet consumer demand for attractive and functional cosmetics. Here, Kelly Dobos of the University of Cincinnati, USA sets out the principles of working with three classes of colourants - dyes, pigments and pearlescent effect pigments - that can be applied broadly to many types of cosmetic products

Colour provides crucial information about the world around us. Colour also plays a significant role in cosmetics and personal care products that extends beyond the obvious example of makeup. Colour can be important in differentiating products from one another on shelf, signaling efficacy, or reinforcing hero ingredients and fragrance. 

A change in colour can also signal the degradation of raw materials, which can negatively impact product performance and consumer acceptability. There is considerable art, as well as science, in developing products that meet consumer demand for attractive and functional cosmetics. 

While there are additional specialty colourants (that include aluminum powder and luminescent zinc sulfide with their own unique regulatory and end-use limitations), the focus of this article is the use of the three broad categories colourants: dyes, pigments and pearlescent effect pigments

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Upcoming Events

in-cosmetics Global

Paris Expo Porte de Versailles
16th – 18th April 2024

NYSCC Suppliers' Day 2024

Javits Center, New York
1st - 2nd May 2024

9th Anti-Ageing Skin Care Conference

Royal College of Physicians, London
25th - 26th June 2024

in-cosmetics Korea 2024

Hall C, Coex, Seoul, South Korea
24th - 26th July 2024

in-cosmetics Latin America 2024

São Paulo, Brazil
25th - 26th September 2024

IFSCC 2024

Recanto das Cataratas Thermas Resort, Iguazu Falls, Brazil
14th - 17th October 2024

Access the latest issue of Personal Care Magazine on your mobile device together with an archive of back issues.

Download the FREE Personal Care Magazine app from your device's App store

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