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Castor Oil
Can anyone suggest a good Castor Oil replacement? Preferable with the same amount of tack…
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8 Replies
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Why do you want to replace castor oil? Anything reasonably close will be much more expensive…
However, LexFeel 700 or Liponate TDTM would be good starting points, also Polyisobutylene and Hydrogenated Polyisobutene and other synthetic hydrocarbons. Some of the versagels might work also. -
@hishine1 Guess some of the polybutenes might match the flow and tack (to some extent) of castor oil but if it is about some OCM then you have lots of options of vegetable oils although I am not sure about the tack.
Or the next best thing is 12-Hydroxystearic Acid but alas it is a solid while castor oil (upto 90%) is having same carbon chain but that one double bond turns it into 12-Hydroxyoleic Acid and hence a liquid. -
Thanks guys… will check them out.
I’m not looking to replace it entirely… just halve it in a lipgloss type formula. It (CO) can sometimes be an irritant in high amounts, I patch tested on my arm for a day and it did irritate after excersise. On a much lower skin pH I wonder if too much natural CO will irritate the skin. -
Then Bobz has given you the best option (especially the hydrogenated PIB aka Indopol H100) especially for products like lip glosses, have used it myself with castor oil and it comes out a winner, provided the formula is well balanced.
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A little of Indopol H1900 with the H100 is also nice for improving body, shine and adhesion. A little goes a long way, though. (Note: Do not EVER spill this on the floor. Just don’t. You’ll see why if you get a sample.)
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@ Bobzchemist LOL thanks for that…. arrrgghhh I already did! I have a kg of Indopol H100 and of course I spilt some 😮 I am using Iso Alcohol to cleanup, I have a lovely shiny wood floor though…
How would the H1900 go with polyamides? I am waiting on samples of those so wondering if I should order the H1900? I only have one grade of polyamide atm also. I’m trying to achieve a ‘hard’ gel… not quite a stick but not a fluid gel either. Hard for me to explain without the tech knowledge sorry.P -
The 1900 is much more viscous than the 100, and spills are 10x worse to clean. It’s about as thick as you can get without being a solid. Use caution in drum quantities, it tends to eat spatulas.
STP Oil Treatment is about 95% H1900,to give you an idea of the viscosity. It is just as compatible with polyamides as the H100 - they are the same polymer, just with different chain lengths. -
Thank you Bobzchemist!
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