Non Deet Repellents S01E03 Why DIY mosquito repellents need to be emulsified?
Channel: Mountain Parameters
Date: 2021-05-12

When chemists fomulate a product such as a lotion, achieving an emulsion between the oils and the water phase is not just for cosmetic purposes. Consider that because essential oils are volatile compounds, if not placed onto porous warm surfaces such as skin in a correct manner that buffers their concentrations and slows the processes of evaporation and oxidization, the active ingredients lose their desired effect very quickly. An emulsion helps protect the most valuable part of the formula, the essential oils and their constituent components such as terpenes, from being quickly disabled due to evaporation and oxidization. Think of the emulsion as a nanny that gets the little EO's to hold hands with their 'bigger brother', the carrier oils, and allowing for their deployment via an aqueous medium. 

Timeline:
00:00 Why emulsions?
04:35 Properties of essential oils
05:50 Visual comparisons: emulsified and non emulsified products
10:30 materials required to achieve an emulsion: polymers, Ph balancers, and their health implications
14:15 literature review of Polymers, TEA, and l-arginine
20:20 a final look at the emulsions that were compared earlier

Reference Links:
Why Is Carbomer In So Many Products?
 https://thedermreview.com/carbomer/
 
This Super-Elastic Polymer Could Lead to Artificial Skin and Muscle
 https://futurism.com/super-elastic-polymer-lead-artificial-skin-muscle
 
creating artificial skin from polymer mesh
 https://duckduckgo.com/?q=creating+artificial+skin+from+polymer+mesh&ia=web
 
Why Is Triethanolamine In My Skincare Product?
 https://thedermreview.com/triethanolamine/
 
Formation of fine three-phase emulsions
 https://www.sciencedirect.com/science/article/abs/pii/0021979789904633
 
Use of l-arginine in emulsions
 https://www.sciencedirect.com/science/article/abs/pii/S0308814620321762#f0035
 
How to adjust the pH of your cosmetic products
 https://skinchakra.eu/blog/archives/497-How-to-adjust-the-pH-of-your-cosmetic-products.html
 
using l-arginine for emulsions
 https://duckduckgo.com/?q=using+l-arginine+for+emulsions&ia=web