| Propylene Glycol? | Solvent/Humectant | ?Uncertain — 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. |
| Allantoin | Skin Protectant | No | A compound that promotes wound healing and cell regeneration. Used as a skin protectant and soothing agent in topical formulations. |
| Aminomethylpropanol | pH Adjuster | No | An amino alcohol used to neutralize carbomer gels and adjust pH in topical formulations. |
| Anhydrous Dextrose | — | No | — |
| 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. |
| 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. |
| 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. |
| Fructose | — | No | — |
| 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 Stearate Se | Emulsifier | No | Self-emulsifying glyceryl stearate. A lipid-based emulsifier used to stabilize creams and lotions. |
| Hamamelis Virginiana Top Water | Skin Conditioner | No | Witch hazel distillate, a plant-derived astringent used in topical formulations to soothe and tone the skin. |
| Hyaluronate Sodium | Moisturizer/Viscosity Agent | No | Sodium hyaluronic acid. A naturally occurring substance used as a moisturizer and viscosity agent in ophthalmic and topical formulations. |
| 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. |
| Magnesium Aluminum Silicate Type Ic? | — | No | — |
| Maltose Anhydrous | — | No | — |
| Methyl Salicylate? | Flavoring/Counterirritant | No | Oil of wintergreen. Used as a flavoring agent and topical counterirritant (creates a warming sensation). Can cause sensitivity in aspirin-intolerant individuals. |
| Potassium Metaphosphate | Buffer/Stabilizer | No | A potassium phosphate salt used as a buffering agent and stabilizer in pharmaceutical formulations. |
| Potassium Sorbate | Preservative | No | A potassium salt of sorbic acid used to inhibit mold and yeast growth in pharmaceutical formulations. |
| Silicon Dioxide | Glidant | No | A mineral (silica) used to improve powder flow during tablet manufacturing. Also called colloidal silicon dioxide. |
| Sodium Acetate Anhydrous? | Buffer | No | A sodium salt of acetic acid used as a buffering agent in injectable and ophthalmic solutions. |
| 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 Lactate | — | No | — |
| Sodium Pyrrolidone Carboxylate | Humectant | No | Sodium PCA. A natural moisturizing factor component used as a humectant in topical formulations. |
| Titanium Dioxide | Colorant/Opacifier | No | A white pigment used for coating opacity. Under regulatory review in some countries. |
| Trehalose Dihydrate | Stabilizer/Cryoprotectant | No | A natural disaccharide used to stabilize proteins in freeze-dried formulations and to protect biological products. |
| Urea | — | 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. |