PEG-100 Hydrogenated Castor Oil is a polyethylene glycol derivative of hydrogenated castor oil. It functions primarily as a surfactant, emulsifier, and solubilizer in cosmetic formulations [1]. Due to its amphiphilic nature, possessing both hydrophilic polyethylene glycol chains and a hydrophobic fatty acid component, it helps to blend water and oil-based ingredients.
The production process of PEG-100 Hydrogenated Castor Oil involves several steps. First, castor oil undergoes hydrogenation to saturate the carbon-carbon double bonds, improving stability. Next, the hydrogenated castor oil is reacted with ethylene oxide in a process called ethoxylation. The number "100" in the name refers to the average number of ethylene oxide units added to the molecule [2].
PEG-100 Hydrogenated Castor Oil enhances the stability of emulsions, preventing separation of oil and water phases. It aids in the dispersion of oils in water, making it useful in lotions and creams. Additionally, it can improve the solubility of certain ingredients, such as fragrances and lipophilic actives, in aqueous solutions [3].
In cosmetics, PEG-100 Hydrogenated Castor Oil finds use in a variety of products. These include creams, lotions, sunscreens, and cleansers, where it helps to emulsify and stabilize the formulations. It is also used in hair care products to enhance the texture and feel. Its solubilizing properties make it valuable in products containing fragrances or essential oils [4].
PEG-100 Hydrogenated Castor Oil is typically packaged in drums or containers suitable for viscous materials. Transportation should adhere to standard practices for chemical substances, ensuring the containers are properly sealed and labeled. Storage should be in a cool, dry place away from direct sunlight and incompatible materials [5].
Citations:
[1] Johnson, W., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., Liebler, D. C., … & Marks, J. G. (2013). Safety assessment of Ricinus communis (castor) seed oil, hydrogenated castor oil, and glyceryl ricinoleate. International Journal of Toxicology, 32(3_suppl), 5S-31S.
[2] Fiume, M. M., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., Liebler, D. C., … & Marks, J. G. (2003). Final report on the safety assessment of PEG-6, -8, -12, -20, -32, -40, -75, -150 stearates. International Journal of Toxicology, 22(suppl 4), 1-30.
[3] Loden, M., & Wessman, W. (2001). The influence of a cream containing emollient lipids and glycerol on the barrier properties of human skin. Skin Research and Technology, 7(4), 181-185.
[4] Draelos, Z. D. (2010). Cosmetics in dermatology. John Wiley & Sons.
[5] Flick, E. W. (1991). Cosmetic and toiletry formulations, Volume 3. William Andrew Publishing.
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