srijeda, 20. kolovoza 2014.
Normally in the human sebum is contained between 10% to 14% squalene . But during the years its quantity strongly reduces below 5%.That is why after that age it is really useful to be used cosmetics that contains squalene . The sources of squalene could be two - plant and animal. The plant squalene is extracted from olive oil , besides it , some quantities squalene are found and in some animal organs – for example, in shark’s liver. But not everything is so simple.
The squalene’s molecule is unstable due to the presence of unsaturated links. It oxidizes and becomes rancid . For cosmetic use it is used the stable form – squalane, which has identical features.
Olive squalane is contained it body lotions Refan.