| Alcohol | Solvent/Preservative | ⚠️ Yes — Alcohol | Ethanol (ethyl alcohol) used as a solvent, preservative, or extraction agent. Present in many liquid formulations. May be relevant for patients avoiding alcohol for medical or religious reasons. |
| Carbomer Homopolymer Type B (allyl Sucrose Crosslinked) | Thickener/Gelling Agent | ⚠️ Yes — Sucrose | A sucrose-crosslinked acrylic acid polymer used to create gels for topical formulations. |
| Cetostearyl Alcohol | Emulsifier/Stiffening Agent | ⚠️ Yes — Stearyl Alcohol | A mixture of cetyl and stearyl alcohols (fatty alcohols, not drinking alcohol). Used to thicken and stabilize creams and ointments. Can cause contact dermatitis in sensitive individuals. |
| Glyceryl Stearate/PEG-100 Stearate | Emulsifier | ⚠️ Yes — PEG | A self-emulsifying blend of glyceryl stearate and PEG-100 stearate used in creams and lotions. Contains a PEG component. |
| Methylparaben | Preservative | ⚠️ Yes — Parabens | A preservative used to prevent microbial growth. Can cause allergic contact dermatitis in sensitive individuals. |
| Propylene Glycol | Solvent/Humectant | ⚠️ Yes — Propylene Glycol | An organic compound used as a solvent and humectant. Can cause contact dermatitis in sensitive individuals. |
| Allantoin | Skin Protectant | No | A compound that promotes wound healing and cell regeneration. Used as a skin protectant and soothing agent in topical formulations. |
| Cholesterol? | Emulsifier/Stabilizer | No | A natural lipid used as an emulsifier and stabilizer in liposomal and topical formulations. Typically derived from animal sources (lanolin). |
| 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. |
| Diethylene Glycol Monoethyl Ether | — | No | — |
| Diisopropyl Adipate | Emollient | No | A synthetic ester used as a light emollient and skin-conditioning agent 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. |
| Ferrosoferric Oxide? | Colorant | No | Black iron oxide used as a pigment in tablet coatings and capsule shells. Derived from iron, not from food allergen sources. |
| 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 Laurate | — | No | — |
| Glyceryl Monostearate | Emulsifier | No | An emulsifier that helps oil and water mix in creams and ointments. Derived from glycerin and stearic acid. |
| Hamamelis Virginiana Top Water | Skin Conditioner | No | Witch hazel distillate, a plant-derived astringent used in topical formulations to soothe and tone the skin. |
| Metacresol? | — | No | — |
| Methyl Laurate | Emollient/Solvent | No | A fatty acid ester used as an emollient and solvent in topical formulations. |
| Peppermint Oil | Flavoring Agent | No | A natural essential oil used as a flavoring and cooling agent. Contains menthol. May cause sensitivity in individuals with mint allergy. |
| 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 80 | Emulsifier/Solubilizer | No | A non-ionic surfactant used to dissolve and stabilize ingredients that do not mix well with water. Derived from sorbitol and oleic acid. Rare hypersensitivity reactions reported. |
| Potassium Hydroxide | pH Adjuster | No | A strong alkali used to adjust pH in pharmaceutical formulations. Present only in trace amounts in the final product. |
| Spearmint Oil | — | No | — |
| Steareth-21 | — | No | — |
| Stearic Acid | Lubricant | No | A fatty acid used as a lubricant in tablet manufacturing. |
| Tert-butyl Alcohol? | — | No | — |
| Xanthan Gum | Thickener/Stabilizer | No | A polysaccharide produced by bacterial fermentation, used to thicken and stabilize liquid and semi-solid formulations. Derived from corn sugar fermentation — may be relevant for corn-sensitive individuals. |