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Need a Cooling Agent
Hey Formulators ! Hope everyone is doing well !
I am working on Watermelon Gel in India. It is a crystal clear Gel with a dispensing pump. It sells really cheap, therefore all ingredients have to be affordable. I make it with Lubrizol’s Carbopol 980.
Since watermelon is synonymous with cooling effect in Indian heat. I was trying to develop a gel with cooling effect. I have tried menthol crystals and menthol oil (Crystals do not dissolve in water obviously & oil causes turbidity). Crystals dissolve in Alcohol, however they lose their cooling sensation in Alcohol. And I simply cannot use Alcohol because it causes dryness, has a stingy smell and is technically not allowed.
My formula is
DM Water - Q.S
Propylene Glycol - 2
Carbopol 980 - 0.5
Watermelon Fruit Extract - 3
Hydroxyethyl Urea - 2
Preservative - 0.5
Color/Fragrance - Q.SThe gel has to look crystal clear, That is one of the selling points.
Hope to get some replies ! Thanks in Advacne !Happy Formulating
- Dev
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5 Replies
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I had to do some digging on a formula I was working on where they wanted the cooling effect of menthol without the smell.
Menthyl Lactate and a few other Menthyl compounds are available. Check out the Frescolat range from Symrise:
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Thank you Herbnerd. I have studied Menthyl Lactate, However, It is almost Rs.8500 per Kilo which is very expensive. I need a cheaper compound.
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Have you thought about Camphor?
Also, I think you can still incorporate some menthol into your formula. Slightly heat the water with the crystals and gel after. This should stabilize this small input.
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Devesh327 said:Thank you Herbnerd. I have studied Menthyl Lactate, However, It is almost Rs.8500 per Kilo which is very expensive. I need a cheaper compound.
Not sure what you want to pay but check https://dir.indiamart.com/impcat/menthyl-lactate.html
You might find something in your price range.
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Herbnerd said:Devesh327 said:Thank you Herbnerd. I have studied Menthyl Lactate, However, It is almost Rs.8500 per Kilo which is very expensive. I need a cheaper compound.
Not sure what you want to pay but check https://dir.indiamart.com/impcat/menthyl-lactate.html
You might find something in your price range.
Paprik said:Have you thought about Camphor?Also, I think you can still incorporate some menthol into your formula. Slightly heat the water with the crystals and gel after. This should stabilize this small input.
I have found a cheap alternative to both ingredients suggested by you & I’d like to share it here. I made 20% Menthol solution with Polysorbate 20 (Tween 20). I dissolved 20gm of turpentless menthol crystals in 80gm Polysorbate 20.
I have had to increase the Watermelon fragrance to suppress the menthol’s smell. But the gel feels cool after application and stays crystal clear.
- Dev
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