| Egg Phospholipids | — | ⚠️ Yes — Egg | — |
| Medium-chain Triglycerides | Solvent/Vehicle | ⚠️ Yes — Coconut | Fatty acid esters derived from coconut or palm kernel oil. Used as a solvent and vehicle in oral and topical formulations. May be relevant for individuals with coconut sensitivity. |
| Propylene Glycol? | Solvent/Humectant | ?Uncertain — Propylene Glycol | An organic compound used as a solvent and humectant. Can cause contact dermatitis in sensitive individuals. |
| Ascorbic Acid | Antioxidant | No | Vitamin C. Used as an antioxidant to prevent degradation of active ingredients and as a pH adjuster. |
| Ascorbyl Palmitate | Antioxidant | No | A fat-soluble form of vitamin C used as an antioxidant in pharmaceutical formulations to prevent oxidation of fats and oils. |
| Butylene Glycol | Humectant/Solvent | No | A synthetic glycol used as a humectant and solvent in topical formulations. Helps products spread smoothly on skin. |
| Carbomer Copolymer Type A (allyl Pentaerythritol Crosslinked) | Thickener/Gelling Agent | No | A crosslinked acrylic acid copolymer used to create clear gels and thicken topical formulations. |
| Carbomer Copolymer Type B (allyl Pentaerythritol Crosslinked) | — | 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. |
| Cyclomethicone 5 | Emollient/Carrier | No | A volatile silicone that evaporates quickly, leaving a smooth feel. Used as a carrier and emollient in topical products. |
| Dipalmitoylphosphatidylglycerol, Dl-? | Surfactant/Stabilizer | No | A synthetic phospholipid used as a lung surfactant component and stabilizer in inhaled 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. |
| Hamamelis Virginiana Top Water | Skin Conditioner | No | Witch hazel distillate, a plant-derived astringent used in topical formulations to soothe and tone the skin. |
| Hexylene Glycol | Solvent/Humectant | No | A synthetic glycol used as a solvent, humectant, and viscosity reducer in topical formulations. |
| 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. |
| Phenoxyethanol | Preservative | No | A synthetic preservative used to prevent microbial growth in topical and some oral formulations. Can cause skin irritation in sensitive individuals. |
| Polyethylene Glycol 400 | Solvent/Plasticizer | No | A low-molecular-weight PEG used as a solvent and plasticizer in oral and topical formulations. Rare but documented allergic reactions to PEG compounds. |
| Polysorbate 20 | Emulsifier/Solubilizer | No | A non-ionic surfactant similar to polysorbate 80 but derived from lauric acid. Used to solubilize and stabilize formulations. |
| Sorbitan Monooleate | Emulsifier | No | A non-ionic surfactant (Span 80) used to stabilize oil-in-water and water-in-oil emulsions in medications. |
| Terpene Resin? | — | No | — |
| 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. |