| 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. |
| 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. |
| FD&C Red No. 3? | Colorant | ?Uncertain — Dye | A cherry-pink dye. Can cause photosensitivity and cross-reacts with other dyes in sensitive individuals. |
| PEG-20 Sorbitan Isostearate | Emulsifier | ⚠️ Yes — PEG | A PEG-modified sorbitan ester used as a non-ionic emulsifier in topical formulations. |
| PEG-8 Monostearate | — | ⚠️ Yes — PEG | — |
| Propylene Glycol | Solvent/Humectant | ⚠️ Yes — Propylene Glycol | An organic compound used as a solvent and humectant. Can cause contact dermatitis in sensitive individuals. |
| .alpha.-tocopherol Acetate | Antioxidant | No | Vitamin E acetate. Used as an antioxidant to protect active ingredients from degradation during storage. |
| Butylene Glycol | Humectant/Solvent | No | A synthetic glycol used as a humectant and solvent in topical formulations. Helps products spread smoothly on skin. |
| Calcium Chloride Anhydrous? | — | No | — |
| Carnauba Wax | Coating/Polish | No | A natural wax from the leaves of the Brazilian palm tree. Used to polish and gloss-coat tablets. Plant-derived. |
| 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. |
| Diisopropyl Adipate | Emollient | No | A synthetic ester used as a light emollient and skin-conditioning agent in topical formulations. |
| Disodium Citrate Sesquihydrate | Buffer | No | A sodium salt of citric acid used as a buffering agent to maintain pH stability in pharmaceutical solutions. |
| Edetate Disodium | Chelating Agent | No | Also known as EDTA. Binds metal ions to prevent degradation of active ingredients and preserve product stability. |
| Ferric Oxide Red | Colorant | No | Red iron oxide pigment used in tablet coatings and capsule shells. A mineral-based colorant, distinct from FD&C synthetic dyes. |
| Ferric Oxide Yellow | Colorant | No | Yellow iron oxide pigment used in tablet coatings and capsule shells. A mineral-based colorant. |
| 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 Monocaprylate | Penetration Enhancer/Emulsifier | No | A glyceride ester used to enhance skin penetration and as an emulsifier 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. |
| Hypromellose Acetate Succinate, Unspecified? | Enteric Coating | No | A cellulose derivative that dissolves at higher pH, used as an enteric coating to protect drugs from stomach acid. Plant-derived. |
| Lactic Acid | pH Adjuster/Exfoliant | No | An alpha-hydroxy acid used to adjust pH and as a mild exfoliant in topical formulations. Produced by fermentation. |
| Octyldodecanol? | Emollient/Solvent | No | A branched-chain fatty alcohol used as an emollient, solvent, and viscosity adjuster in topical formulations. |
| Polyoxyl 20 Cetostearyl Ether | Emulsifier | No | A non-ionic surfactant (Cetomacrogol) used to emulsify and stabilize creams and ointments. |
| Polysorbate 60 | Emulsifier | No | A non-ionic surfactant used to emulsify and stabilize oil-in-water formulations. Derived from sorbitol and stearic acid. |
| Silicon Dioxide | Glidant | No | A mineral (silica) used to improve powder flow during tablet manufacturing. Also called colloidal silicon dioxide. |
| Squalane | Emollient | No | A saturated hydrocarbon used as an emollient and moisturizer. Originally from shark liver oil, now commonly plant-derived (olive or sugarcane). |
| Trolamine | Emulsifier/pH Adjuster | No | Triethanolamine. Used as an emulsifier and pH adjuster in topical creams and lotions. |