| Benzoic Acid | Preservative | ⚠️ Yes — Benzoic Acid | A preservative related to sodium benzoate. Same allergy cross-reactivity concerns. |
| Medium-chain Triglycerides | Solvent/Vehicle | ⚠️ Yes — Coconut | Fatty acid esters derived from coconut or palm kernel oil. Used as a solvent and vehicle in oral and topical formulations. May be relevant for individuals with coconut sensitivity. |
| Aluminum Oxide | Abrasive/Adsorbent | No | Alumina. Used as an adsorbent, abrasive, and processing aid in pharmaceutical manufacturing. |
| Cyclomethicone 5 | Emollient/Carrier | No | A volatile silicone that evaporates quickly, leaving a smooth feel. Used as a carrier and emollient in topical products. |
| Dehydroacetic Acid | — | No | — |
| Dimethicone 12500? | — | No | — |
| Ethylhexyl Hydroxystearate? | Emollient | No | A synthetic ester used as an emollient and skin-conditioning agent in topical formulations. |
| 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. |
| Ginger | Flavoring/Active | No | Ginger root extract used as a flavoring agent and for its anti-nausea properties. Generally well tolerated. |
| Gluconic Acid | Chelating Agent/pH Adjuster | No | An organic acid used as a chelating agent and pH adjuster in pharmaceutical 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. |
| Levomenthol? | Counterirritant/Flavoring | No | The natural isomer of menthol. Produces a cooling sensation and is used as a counterirritant and flavoring agent. |
| Niacinamide | Skin Conditioner | No | Vitamin B3 (nicotinamide). Used as a skin-conditioning agent in topical formulations. Generally well tolerated. |
| Phenoxyethanol | Preservative | No | A synthetic preservative used to prevent microbial growth in topical and some oral formulations. Can cause skin irritation in sensitive individuals. |
| Propylene Carbonate | Solvent | No | An organic solvent used in transdermal patches and topical formulations to dissolve active ingredients. |
| Silicon Dioxide | Glidant | No | A mineral (silica) used to improve powder flow during tablet manufacturing. Also called colloidal silicon dioxide. |
| Stearalkonium Chloride? | Conditioning Agent | No | A quaternary ammonium compound used as a conditioning and antistatic agent in topical formulations. |
| Tocopherol | Antioxidant | No | Natural vitamin E. Used as an antioxidant to protect active ingredients from oxidation and extend product shelf life. |