Hair-dyeing composition for minimizing ammonium hydroxide content and odor and method of producing the same
US11337907B2 · kind B2 · utility
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3References
9Claims
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Key dates
| Filing date | Jul 2, 2019 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Jul 2, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A hair-dyeing composition with an effect of minimizing hair damage and scalp irritation caused by ammonia prescription and ammonia odor, which is capable of decreasing ammonia odor peculiar to a hair-dyeing composition and also of supplementing the hair with amino acids similar to hair proteins to decrease hair damage, especially hair roughness and hair shortening, for healthy dyeing and a method of producing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.