| Alcohol | Solvent/Preservative | ⚠️ Yes — Alcohol | Ethanol (ethyl alcohol) used as a solvent, preservative, or extraction agent. Present in many liquid formulations. May be relevant for patients avoiding alcohol for medical or religious reasons. |
| Cetyl Alcohol | Emulsifier/Thickener | ⚠️ Yes — Cetyl Alcohol | A fatty alcohol used in topical formulations. Can cause contact dermatitis. |
| PEG-100 Monostearate | Emulsifier | ⚠️ Yes — PEG | A PEG-based emulsifier used to stabilize oil-in-water emulsions in creams and lotions. Contains a polyethylene glycol component. |
| PEG-20 Sorbitan Isostearate | Emulsifier | ⚠️ Yes — PEG | A PEG-modified sorbitan ester used as a non-ionic emulsifier in topical formulations. |
| Propylene Glycol? | Solvent/Humectant | ?Uncertain — 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. |
| 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. |
| 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. |
| Edetate Disodium | Chelating Agent | No | Also known as EDTA. Binds metal ions to prevent degradation of active ingredients and preserve product stability. |
| Ethylhexyl Hydroxystearate | Emollient | No | A synthetic ester used as an emollient and skin-conditioning agent 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. |
| Glyceryl Monostearate | Emulsifier | No | An emulsifier that helps oil and water mix in creams and ointments. Derived from glycerin and stearic acid. |
| 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. |
| Myristic Acid | — | No | — |
| Orange Oil, Cold Pressed | — | No | — |
| Palmitic Acid | — | No | — |
| Phenoxyethanol | Preservative | No | A synthetic preservative used to prevent microbial growth in topical and some oral formulations. Can cause skin irritation in sensitive individuals. |
| Polysorbate 60 | Emulsifier | No | A non-ionic surfactant used to emulsify and stabilize oil-in-water formulations. Derived from sorbitol and stearic acid. |
| Polysorbate 80 | Emulsifier/Solubilizer | No | A non-ionic surfactant used to dissolve and stabilize ingredients that do not mix well with water. Derived from sorbitol and oleic acid. Rare hypersensitivity reactions reported. |
| Potassium Metaphosphate | Buffer/Stabilizer | No | A potassium phosphate salt used as a buffering agent and stabilizer in pharmaceutical formulations. |
| Powdered Cellulose | Filler/Adsorbent | No | Finely ground plant cellulose used as a filler, adsorbent, and anti-caking agent in tablet formulations. |
| Sodium Chloride | Tonicity Agent | No | Common table salt. Used to adjust the osmotic pressure of injectable and ophthalmic solutions to match body fluids. |
| Sodium Lauroyl Sarcosinate | Surfactant/Cleanser | No | A mild anionic surfactant derived from sarcosine (an amino acid) used as a cleansing and foaming agent. |
| Sodium Stearyl Fumarate? | Lubricant | No | A tablet lubricant used as an alternative to magnesium stearate. Vegetable-derived. |
| Sorbitan Monooleate | Emulsifier | No | A non-ionic surfactant (Span 80) used to stabilize oil-in-water and water-in-oil emulsions in medications. |
| Stearic Acid | Lubricant | No | A fatty acid used as a lubricant in tablet manufacturing. |
| Tocopherol | Antioxidant | No | Natural vitamin E. Used as an antioxidant to protect active ingredients from oxidation and extend product shelf life. |
| Trolamine | Emulsifier/pH Adjuster | No | Triethanolamine. Used as an emulsifier and pH adjuster in topical creams and lotions. |
| 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. |