| Dipropylene Glycol | Solvent/Humectant | ⚠️ Yes — Propylene Glycol | A synthetic glycol used as a solvent and humectant in topical formulations. |
| 1,2,6-hexanetriol? | Humectant/Plasticizer | No | A synthetic triol used as a humectant and plasticizer in topical and transdermal 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. |
| Cyclomethicone 5? | Emollient/Carrier | No | A volatile silicone that evaporates quickly, leaving a smooth feel. Used as a carrier and emollient in topical products. |
| Dimethicone 20 | Skin Protectant | No | A silicone-based polymer used as a skin protectant, emollient, and anti-foaming agent in topical formulations. |
| Disodium Citrate Sesquihydrate | Buffer | No | A sodium salt of citric acid used as a buffering agent to maintain pH stability in pharmaceutical solutions. |
| Docosanol? | Antiviral/Emollient | No | A fatty alcohol used as the active ingredient in cold sore treatments and as an emollient in topical formulations. |
| Ethylhexyl Hydroxystearate? | Emollient | No | A synthetic ester used as an emollient and skin-conditioning 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. |
| Ginger | Flavoring/Active | No | Ginger root extract used as a flavoring agent and for its anti-nausea properties. Generally well tolerated. |
| 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. |
| 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. |
| Isopropyl Isostearate? | Emollient | No | A synthetic ester used as an emollient and skin-conditioning agent in topical formulations. |
| Magnesium Sulfate | Osmotic Agent | No | Epsom salt. Used as an osmotic agent, drying agent, and in injectable formulations for electrolyte supplementation. |
| 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. |
| Sodium C10-18 Alkanesulfonates? | Surfactant | No | An anionic surfactant used as an emulsifier and cleansing agent in topical formulations. |
| Titanium Dioxide | Colorant/Opacifier | No | A white pigment used for coating opacity. Under regulatory review in some countries. |
| Tocopherol | Antioxidant | No | Natural vitamin E. Used as an antioxidant to protect active ingredients from oxidation and extend product shelf life. |
| Xylitol | Sweetener | No | A sugar alcohol used as a sweetener in chewable tablets and oral formulations. Can cause GI symptoms (bloating, diarrhea) in sensitive individuals. |