7. Performance tests
Once formulated, hair colorants undergo various tests to assess their performance. Numerous techniques have been developed to evaluate the color formula, its hold and its impact on the hair. . These include confocal laser microscopy, xenotest and spectrophoto-goniometer.
7.1 Formula testing
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Performance tests
Conclusion
Bibliography
Websites
...Events
Perfumes and Cosmetics Congress – Regulatory issues, takes place every year in Chartres.
http://www.congres-parfumscosmetiques.com/fr/
Cosmetagora tradeshow, held every year in Paris
...
Regulations
Regulation (EC) No 1223/2009 of the European Parliament and of the Council of November 30, 2009 on cosmetic products, OJ L 342, 22.12.2009, p. 59-209.
Regulation (EC) No 1272/2008 of the European Parliament and of the Council of December 16, 2008 on classification, labeling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation...
Patents
KNUEBEL (G.), KONARD (G.), MICHEL (R.). – Process for the production of 5,6-dihydroxyindolines. US5399713A (1995).
HOEFFKES (H.), SCHUMANN (K.), NEUHAUS (W.). – Colorants. US6818023, US6537330 (2003 and 2004).
SÜNGER (G.), KOLONKO (C.). – Oxidationsfärbemittel zur Färbung keratinhaltiger Fasern mit Luftsauerstoff als einzigem Oxidationsmittel. DE102007056934A1 (2007)....
Directory
Cosmetic Valley, the world's leading perfumery and cosmetics network
http://www.cosmetic-valley.com/
FEBEA, trade association for the cosmetics industry
Cosmed, an association created on the initiative...
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