Glycerin
From the transesterification of vegetable oils,
arises a compound with surprisingly beneficial traits.
Glycerol, or Glycerin, is a standard and safe ingredient[1]
[1] Becker LC, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD, Liebler DC, Marks JG Jr, Shank RC, Slaga TJ, Snyder PW, Gill LJ, Heldreth B. Safety Assessment of Glycerin as Used in Cosmetics. Int J Toxicol. 2019 Nov Dec;38(3_suppl):6S-22S. doi: 10.1177/1091581819883820. PMID: 31840548.
[2] H.W. Tan, A.R. Abdul Aziz, M.K. Aroua, Glycerol production and its applications as a raw material: A review, Renewable and Sustainable Energy Reviews, Volume 27, 2013, Pages 118-127, ISSN 1364-0321, https://doi.org/10.1016/j.rser.2013.06.035.