FIRST AGENT FOR OXIDATION HAIR DYE AND OXIDATION HAIR DYE THEREOF

FIRST AGENT FOR OXIDATION HAIR DYE AND OXIDATION HAIR DYE THEREOF

PURPOSE: A first agent for an oxidative hair colorant and the oxidative hair colorant are provided to improve color fastness to light by mixing para-aminophenol, 5-amino ortho cresol, and para-methylaminophenol. CONSTITUTION: A first agent of an oxidative hair colorant contains para-methylaminopheno...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TOYODA AKIRA, NISHIYAMA TAKASHI, MAEYAMA KENGO
Format: Patent
Sprache:eng ; kor
Schlagworte:
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Zusammenfassung:PURPOSE: A first agent for an oxidative hair colorant and the oxidative hair colorant are provided to improve color fastness to light by mixing para-aminophenol, 5-amino ortho cresol, and para-methylaminophenol. CONSTITUTION: A first agent of an oxidative hair colorant contains para-methylaminophenol, para-aminophenol, and 5-amino ortho cresol. The ratio of PMAP(para-methylaminophenol)/PAP(para-aminophenol) is 0.20 or less.