Humectant composition, base containing the same, and cosmetic material or external preparation containing said humectant composition
US6117434A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 1998 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | May 14, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A moisturizing composition comprising a trihydric or more water soluble polyhydric alcohol, lecithin and 3-methyl-1,3-butylene glycol, wherein lecithin:the trihydric or more water soluble polyhydric alcohol+3-methyl-1,3-butylene glycol=1:1,000 to 1:1 (weight ratio) and the trihydric or more water soluble polyhydric alcohol:3-methyl-1,3-butylene glycol=1:10 to 20:1 (weight ratio), various bases containing the moisturizing composition, and a cosmetic or external preparation containing the moisturizing composition. The moisturizing composition, bases, and cosmetic and external preparation are excellent in moisturizing properties, and have good stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.