| FD&C Yellow No. 5 | Colorant | ⚠️ Yes — Dye | A yellow azo dye. Common in asthma and aspirin-intolerant patients. One of the most frequently reported dye allergens. |
| 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. |
| Lactose | Filler/Binder | ⚠️ Yes — Dairy | Milk sugar used as a filler and binder in tablets and capsules. Derived from dairy — must be avoided by individuals with lactose intolerance or milk protein allergy. |
| .alpha.-tocopherol Acetate, Dl- | Antioxidant | No | Synthetic vitamin E acetate (racemic form). Used as an antioxidant to protect active ingredients from degradation. |
| Coco Diethanolamide | — | No | — |
| D&C Red No. 33 | Colorant | No | A synthetic red dye used in topical formulations and some oral medications. May cause reactions in individuals with dye sensitivities. |
| Dmdm Hydantoin | Preservative | No | A formaldehyde-releasing preservative used to prevent microbial growth. Can cause contact dermatitis in formaldehyde-sensitive individuals. |
| Edetate Calcium Disodium Anhydrous | — | No | — |
| 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 2208 (100 Mpa.s) | — | No | — |
| Methylchloroisothiazolinone/methylisothiazolinone Mixture | Preservative | No | A broad-spectrum preservative system (Kathon CG). Known to cause contact dermatitis and allergic sensitization in some individuals. |
| Microcrystalline Cellulose | Filler/Binder | No | Refined wood pulp used as a filler and binder. Generally inert and well-tolerated. |
| Polysorbate 20 | Emulsifier/Solubilizer | No | A non-ionic surfactant similar to polysorbate 80 but derived from lauric acid. Used to solubilize and stabilize formulations. |
| Silicon Dioxide | Glidant | No | A mineral (silica) used to improve powder flow during tablet manufacturing. Also called colloidal silicon dioxide. |
| Sodium Chloride | Tonicity Agent | No | Common table salt. Used to adjust the osmotic pressure of injectable and ophthalmic solutions to match body fluids. |
| Sodium Hydroxide | pH Adjuster | No | A strong alkali used to adjust the pH of pharmaceutical solutions. Present only in trace amounts in the final product. |
| Sodium Laureth-3 Sulfate | Surfactant/Cleanser | No | An anionic surfactant used as a cleansing and foaming agent. Milder than sodium lauryl sulfate but may still cause irritation in sensitive individuals. |
| Vitamin E Polyethylene Glycol Succinate? | Solubilizer/Emulsifier | No | A water-soluble form of vitamin E (also called TPGS) used to improve the absorption of poorly soluble drugs. Contains a PEG component. |