| 摘要 |
The invention relates to stable emulsions of perfluoropolyethers having perfluoroalkyl end groups and of fat substances, consisting of: one or more perfluoropolyethers having perfluoroalkyl end groups: 1-50% by weight, one or more polyhydroxylated compounds selected from glycerol and polyalcohols other than glycerol and saccharides, containing at least three hydroxylic groups, said compounds being dissolved in water or in a hydrophilic solvent when they are solid: 10-95% by weight, including water and the hydrophilic solvent, if any, one or more fat substances having a melting temperature not higher than 100 DEG C.: 10-80% by weight, one or more emulsifiers: 0.1-10% by weight. These emulsions are utilized, in particular, in cosmetology and dermatology.
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