Hair coloring compositions with a non-ammonia alkalizing agent

US8382854B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Juergen Schmenger · Weiterstadt, DE
• Manfred Schmitt · Munich, DE

Key dates

• Filing date: Jan 18, 2012
• Grant date: Feb 26, 2013
• Expiry date: Jan 18, 2032

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K8/41
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Oxidative hair coloring compositions comprising a non-ammonia alkalizing agent, such as monoethanolamine, and hydrogen peroxide in a specific ratio. The compositions of the invention have a relatively high lift power for relatively low hair damage. The compositions may comprise little or no ammonia.