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Solubilizing turmeric Infused oil in Sulphate free wash
Hi everyone, I’m seeking assistance to address a stability issue. My face wash contains a 0.5% turmeric-infused oil and I’ve a challenge getting it to solubilizing as the solution became opaque and a white ring formed around the perimeter (see image) within 24 h of production. I’ve tried the following solubilizers without success:
1. Peg 40 Hydrogenated Castor Oil (at 10:1 down to 5:1 ratio)
2. Polysorbate 80 (2:1)
<u style=””>Formulation: (%)
H2O: q.s. 100
Na4 EDTA: 0.1
Rose hydrosol: 15.0
Glycerin: 8.0
Polyquat 10: 0.75
Caprylyl glucoside: 5.0
Decyl glucoside: 4.0
Coco betaine: 6.0
Turmeric-infused castor oil: 0.5
Tea tree oil: 0.2
K sorbate: 0.2
Phenoxyethanol: 0.75
Method: Combine H2O to polyquat 10 (slurred with glycerin) then stir for ~20 mins. Add turmeric then tea tree oil to the combined surfactants (when PEG-40 added, both phase were heated to 55 C). Add H2O phase to surfactant phase and stir. Add Phenoxy then K sorbate (dissolved in H20) and stir until homogenous.
As mention, all trials separated upon standing. Can anyone suggest a suitable surfactant or other ingredient to disperse/ solubilize the oil?
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1 Reply
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Was the oil infused with turmeric powder or dehydrated root? Maybe try experimenting with turmeric essential oil and see if you get the same problem.
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