Caffeine in cosmetic formulations, to fight cellulite
Also known as theine, is found in many foods, and acts as a stimulant and a mild diuretic. Caffeine was discovered in 1819 by the German chemist Friedlieb Ferdinand Runge.
He named it “Kaffein” as a chemical compound in coffee, which in French became “caffeine”. it is found in the seeds, leaves and fruits of different plants. Very popular drinks contain caffeine such as coffee, tea and mate. It is also found in some sodas and energy drinks based on cola nut derivatives, which contain large amounts. Cocoa also contains a little. Caffeine is particularly present in the seeds of coffee and guarana as well as in the leaves of yerba mate and tea.
Due to its presence in plants other than coffee or for advertising reasons, it is sometimes called “theine“, “guaranine” or, even, “matéine“. However, it is the same molecule, with the crude formula C8H10N4O2.
Slimming action on cellulite
Caffeine is the first active ingredient in slimming cosmetic products, which target cellulite.
- generally used for its lipolytic action:
- it stimulates lipolysis, the natural lipid degradation reaction of our body, which provides part of its energy.
- it thus limits the storage of fats.
Studies have also shown this active also acts by activating skin microcirculation, which influences the micro-vascularisation of tissues and modifies the appearance of cellulite.
The lipolytic activity of caffeine is dose-dependent, so dosages of a minimum of 5% are recommended. In addition, to be effective, it must be able to cross the skin barrier, thanks to the addition of absorption promoters, such as PEG-7 Glyceryl cocoate or alcohol (INCI: Alcohol, Alcohol denat.).
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