| Cetyl Alcohol? | Emulsifier/Thickener | ?Uncertain — Cetyl Alcohol | A fatty alcohol used in topical formulations. Can cause contact dermatitis. |
| Methylparaben | Preservative | ⚠️ Yes — Parabens | A preservative used to prevent microbial growth. Can cause allergic contact dermatitis in sensitive individuals. |
| PEG-20 Sorbitan Isostearate | Emulsifier | ⚠️ Yes — PEG | A PEG-modified sorbitan ester used as a non-ionic emulsifier in topical formulations. |
| Propylene Glycol | Solvent/Humectant | ⚠️ Yes — Propylene Glycol | An organic compound used as a solvent and humectant. Can cause contact dermatitis in sensitive individuals. |
| Propylparaben | Preservative | ⚠️ Yes — Parabens | A paraben preservative used to prevent microbial growth. Can cause contact dermatitis in paraben-sensitive individuals. |
| Citric Acid Monohydrate | pH Adjuster/Buffer | No | Citric acid in its hydrated form. Used to adjust acidity and as a buffering agent. Derived from citrus fruits or fermentation. |
| Diazolidinyl Urea | Preservative | No | A formaldehyde-releasing preservative used to prevent microbial growth. Can cause contact dermatitis in formaldehyde-sensitive individuals. |
| Disodium Citrate Sesquihydrate? | Buffer | No | A sodium salt of citric acid used as a buffering agent to maintain pH stability in pharmaceutical solutions. |
| Docosanol | Antiviral/Emollient | No | A fatty alcohol used as the active ingredient in cold sore treatments and as an emollient in topical formulations. |
| Edetate Disodium Anhydrous | Chelating Agent | No | Water-free form of disodium EDTA. Binds metal ions to improve stability and effectiveness of preservative systems. |
| Ethylhexyl Hydroxystearate? | Emollient | No | A synthetic ester used as an emollient and skin-conditioning agent in topical formulations. |
| Glycerin | Humectant/Solvent | No | A sugar alcohol that attracts moisture. Used as a humectant, solvent, and sweetener in many oral and topical medications. Generally well tolerated. |
| Glyceryl Dibehenate? | Lubricant/Binder | No | A lipid excipient used as a lubricant and sustained-release matrix agent in tablet formulations. |
| Glyceryl Isostearate? | Emulsifier | No | A glycerin ester used as an emulsifier and skin-conditioning agent in topical formulations. |
| Hamamelis Virginiana Top Water | Skin Conditioner | No | Witch hazel distillate, a plant-derived astringent used in topical formulations to soothe and tone the skin. |
| Microcrystalline Wax | Stiffening Agent | No | A petroleum-derived wax used to adjust consistency in ointments and as a coating agent. |
| Petrolatum | Emollient/Barrier | No | Petroleum jelly (Vaseline). Used as a skin protectant, emollient, and ointment base in topical formulations. |
| Phenoxyethanol | Preservative | No | A synthetic preservative used to prevent microbial growth in topical and some oral formulations. Can cause skin irritation in sensitive individuals. |
| Polysorbate 60 | Emulsifier | No | A non-ionic surfactant used to emulsify and stabilize oil-in-water formulations. Derived from sorbitol and stearic acid. |