References:
1.Glycerin: Fluhr J, Darlenski R, Surber C. Glycerol and the skin: holistic approach to its origin and functions. Br J Dermatol. 2008;159:23–34. (as per DA)
2.Paraffin liquidum: Blank IH. Emollients. In: _e Chemistry and Manufacture of Cosmetics. 2nd ed. Florida: _e Continental Press; 1975. p. 15–24. (as per DA)
3.Petrolatum: Ghadially R, Halkier-Sorensen L, Elias PM. Effects of petrolatum on stratum corneum structure and function. J Am Acad Dermatol. 1992;26(3):387–396.