The FA was received as a gift sample from NZ Fulvic Ltd., New Zealand. TQ, DPPH, and Rhodamine B were purchased from Sigma-Aldrich (Darmstadt, Germany). Transcutol P, Capryol 90, Labrasol, Plurol, Polyethylene glycol, Tween 20, Tween 80, and PEG 200 were obtained from Gattefosse Pvt. Ltd., Mumbai, India as gift samples. TNF-α and IL-6 ELISA Kits were purchased from Krishgen Biosystem (Mumbai, India). Imiquimod (IMQ) 5% cream (Glenmark Pharmaceuticals Ltd. Imiquad®, (Delhi, India) was purchased from a local pharmacy. Castor oil, Kalonji oil, lavender oil, sunflower oil, and olive oil were procured from local market, and Carbopol-971 was purchased from GLR Innovations India Pvt. Ltd. (New Delhi, India). All other chemicals and solvents used were of analytical grade.
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