| Propylene Glycol | Solvent/Humectant | ⚠️ Yes — Propylene Glycol | An organic compound used as a solvent and humectant. Can cause contact dermatitis in sensitive individuals. |
| Aluminum Hydroxide | Antacid/Adjuvant | No | An aluminum salt used as an antacid ingredient and as an adjuvant in some vaccine formulations. |
| Aluminum Oxide | Abrasive/Adsorbent | No | Alumina. Used as an adsorbent, abrasive, and processing aid in pharmaceutical manufacturing. |
| Butylated Hydroxytoluene | Antioxidant | No | BHT. A synthetic antioxidant used to prevent oxidative degradation of fats and oils in pharmaceutical products. Rare contact sensitivity reported. |
| Butylene Glycol | Humectant/Solvent | No | A synthetic glycol used as a humectant and solvent in topical formulations. Helps products spread smoothly on skin. |
| Cyclomethicone 5 | Emollient/Carrier | No | A volatile silicone that evaporates quickly, leaving a smooth feel. Used as a carrier and emollient in topical products. |
| Dimethicone 20 | Skin Protectant | No | A silicone-based polymer used as a skin protectant, emollient, and anti-foaming 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. |
| 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 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. |
| Methyl Laurate | Emollient/Solvent | No | A fatty acid ester used as an emollient and solvent in topical formulations. |
| Microcrystalline Wax? | Stiffening Agent | No | A petroleum-derived wax used to adjust consistency in ointments and as a coating agent. |
| Octyldodecanol? | Emollient/Solvent | No | A branched-chain fatty alcohol used as an emollient, solvent, and viscosity adjuster in topical formulations. |
| Phenol? | Preservative/Antiseptic | No | An antimicrobial agent used as a preservative in injectable formulations and as an antiseptic in topical products. |
| Phenoxyethanol | Preservative | No | A synthetic preservative used to prevent microbial growth in topical and some oral formulations. Can cause skin irritation in sensitive individuals. |
| Phenylethyl Alcohol? | — | No | — |
| Sodium Chloride | Tonicity Agent | No | Common table salt. Used to adjust the osmotic pressure of injectable and ophthalmic solutions to match body fluids. |
| Sodium Stearyl Fumarate? | Lubricant | No | A tablet lubricant used as an alternative to magnesium stearate. Vegetable-derived. |
| Stannic Chloride? | — | No | — |
| 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. |