Unpacking DPG: The Safe Ingredient in Your Deodorant and Beyond

 



taro shiba & old spice 2

"taro shiba & old spice 2" by _tar0_ is licensed under CC BY 2.0.


The other day in my room I was looking around and I saw my deodorant (old spice to be specific) and I wondered what was in my deodorant. What I found was Dipropylene Glycol also known as DPG. In my blog I will tell you about the information I have found about DPG. The chemical structure of DPG is made of 6 Carbons, 14 Hydrogens, and 3 Oxygens and it can be written as C6H14O6. DPG’s toxicity is very low which is proven by the high LD50 to rats, this means that scientists have experimented on rats to test the toxicity of DPG. Which tells us humans that DPG is a very safe and non toxic chemical to us due to the high value the scientist found. DPG is created by a process called PO hydration, which is a method where they take Propylene Oxide and add Water to it to make it Propylene Glycol once they have this they add more Propylene Oxide to create DPG and if they want Tripropylene Glycol they would add more Propylene Oxide. If you want alternatives for DPG there are many on the market and it depends on what products you are using and want to replace. If it's personal care you can use Glycerin, Butylene glycol, or Propylene glycol, if you want replacements for your perfume you would use Propylene glycol, Triethylene glycol, or Ethanol. You may be asking what glycol is and it is simply an organic compound that belongs in the alcohol family and is commonly referred to as antifreeze. You may be wondering if there are any controversies relating to DPG and the answer to that is not really the only thing I could find is that DPG is derived from petroleum so if you are concerned about that you can use one of the alternatives. Now you have learned the basic information about DPG and that it is a safe chemical for us to use and I will continue to use my deodorant.


Sources:

1.https://hero.epa.gov/hero/index.cfm/reference/details/reference_id/3041958

2.kilfrost.com/assets/Measuring-environmental-impact--BOD-and-COD-of-heat-transfer-fluids-V5-02042020-%28004%29_for-web.pdf

3.https://www.sciencedirect.com/science/article/pii/S0043135401003839

4.https://www.shell.com/business-customers/chemicals/safe-product-handling-and-transportation/product-stewardship-summaries/_jcr_content/root/main/containersection-0/simple/list/list_item_copy_copy__1464282658.multi.stream/1675290957167/d792971a663be42fc043ccacfadd431fc0e8e057/dipropylene-glycol-pss-december-2022.pdf

5.https://www.sumitomo-chem.co.jp/english/rd/report/files/docs/2014E_2.pdf

6.https://hbcp-chemnetbase-com.us1.proxy.openathens.net/contents/InteractiveTable.xhtml?dswid=-7185

7.https://pubchem.ncbi.nlm.nih.gov/compound/Dipropylene-glycol#section=LogP

8.https://redox.com/wp-content/sds/2831.pdf

9.https://chemicalsafety.com/sds1/sdsviewer.php?id=33968400&name=Dipropylene%20Glycol

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