Peanut Oil

  • Base Oil
  • INCI: Arachis Hypogaea (Peanut) Oil
  • Comedogenicity: 2
  • Composition: Oleic acid (up to approx. 70 %), linoleic acid (up to approx. 35 %), palmitic acid (up to approx. 14 %), stearic acid (up to approx. 6 %), behenic acid (up to approx. 5 %), arachidic acid (up to approx. 3 %), lignoceric acid (up to approx. 3 %).
  • Cosmetic use: Dry, scaly skin.

Plant

Arachis Hypogaea is an annual plant with dense foliage that grows up to 60 cm high. It has golden flowers, which form nail-shaped fruit carriers after fertilization. The fruit carrier then burrows into the soils and when it reaches a depth of 5-10 cm, fruits form with a yellow, wrinkled shell. The fruits usually contains two seeds with brown skin.


Extraction of Peanut Oil

To obtain the slightly yellowish peanut oil, the fruit must be dried for a few weeks after harvesting until they have a fat content of about 45 %. The seeds are then removed from their shells, cleaned and crushed on special roller mills. This is followed by cold pressing the crushed seeds in a so-called screw press. The residual oil content can be extracted from the press residue with hexane. This oil will be of inferior quality, though. However, most peanut oils on the market have been refined to ensure a uniform standard.


Cosmetic use of Peanut Oil

Peanut oil is used both internally and externally. In cosmetics it is often used as a massage oil, since it is only very slowly absorbed by the skin. The oil forms a thin film on the skin, which acts as protection against harmful influences and ensures regular moisturizing on the skin. The high fat content of the oil offers excellent protection of the skin and is therefore used in skin and sun oils, as well as bath additives.