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Title Regarding Dipropylene glycol and disodium EDTA
Posted by j**** (ip:)
  • Rate 0points  
  • Date 2020-07-18
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  • View 101

Hi Purito Team,


    I searched dipropylene glycol on PubChem (https://pubchem.ncbi.nlm.nih.gov/compound/8087#section=Toxicity) and its potential toxicity concerns me. For instance, it reports anatomical changes in a human at an oral dose of 7.14 mL/kg (the lowest published). A more comprehensive report from EPA (https://www.epa.gov/sites/production/files/2019-08/documents/support_document_for_proposed_designation_of_2-propanol_11-oxybis-.pdf) on the chemical presents it as less concerning, being a slow penetrant and negative on majority of animal/human tests. Overall, I understand it is hard to find proper ingredients and then make them together into the best formulation, and I value Purito for doing that so far. I hope in the future this ingredient can be superseded!


   In another place (https://www.mdpi.com/2079-9284/4/2/15/htm#B24-cosmetics-04-00015), I found something that notes the combination of inorganic UV filters and the chelating agent disodium EDTA as incompatible. perhaps making the zinc and titanium oxides less efficient at their best role. I am not a chemist. but I hope the research team is acknowledged about this potential effect.



Thank you Purito,

Steven

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  • admin 2020-07-28 0points
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    Spam Hi, thank you for your interest in PURITO products.
    Our Research Team is already aware of that Dipropylene Glycol can be a problem when taken. We add this ingredient into the products for skincare, not as an ingestion product. Your advice to make safer products is fully considered and will be referred to when we launch new products. :)
    Also, we recognize that Disodium EDTA can be applied to inorganic UV filters as a chelating agent. However, we applied proper amount of it to remove other unintentional metal ions. Our product was formulated to maintain the effect of sunscreen even if chelating agent is applied.
    Thank you for your interest and love for our products.
    It will be helpful for product development in the future.
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