| Cetyl Alcohol? | Emulsifier/Thickener | ?Uncertain — Cetyl Alcohol | A fatty alcohol used in topical formulations. Can cause contact dermatitis. |
| FD&C Red No. 40 | Colorant | ⚠️ Yes — Dye | A widely used artificial red dye. Among the most common dye allergens. |
| Propylene Glycol | Solvent/Humectant | ⚠️ Yes — Propylene Glycol | An organic compound used as a solvent and humectant. Can cause contact dermatitis in sensitive individuals. |
| 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. |
| Carbomer Homopolymer | Thickener/Gelling Agent | No | A synthetic acrylic acid polymer used to create gels and thicken topical formulations. |
| 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. |
| Docosanol | Antiviral/Emollient | No | A fatty alcohol used as the active ingredient in cold sore treatments and as an emollient in topical formulations. |
| 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. |
| Hamamelis Virginiana Top Water | Skin Conditioner | No | Witch hazel distillate, a plant-derived astringent used in topical formulations to soothe and tone the skin. |
| Methacrylic Acid - Ethyl Acrylate Copolymer (1:1) Type A? | Enteric Coating | No | A pH-sensitive polymer (Eudragit L 100-55) that dissolves above pH 5.5, used as an enteric coating to protect tablets from stomach acid. |
| Microcrystalline Wax? | Stiffening Agent | No | A petroleum-derived wax used to adjust consistency in ointments and as a coating 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. |
| Polyglyceryl-3 Oleate? | Emulsifier | No | A polyglycerol ester used as a non-ionic emulsifier in topical formulations. |
| Potassium Hydroxide | pH Adjuster | No | A strong alkali used to adjust pH in pharmaceutical formulations. Present only in trace amounts in the final product. |
| Shea Butter | Emollient | No | A fat extracted from the nut of the African shea tree. Used as an emollient and moisturizer in topical formulations. Tree nut-derived — may be relevant for individuals with tree nut allergies. |
| Silicon Dioxide | Glidant | No | A mineral (silica) used to improve powder flow during tablet manufacturing. Also called colloidal silicon dioxide. |
| Sodium C10-18 Alkanesulfonates | Surfactant | No | An anionic surfactant used as an emulsifier and cleansing agent in topical formulations. |
| Sodium Thiosulfate | — | No | — |
| Stannic Chloride? | — | No | — |
| Titanium Dioxide | Colorant/Opacifier | No | A white pigment used for coating opacity. Under regulatory review in some countries. |
| 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. |