| Cetostearyl Alcohol | Emulsifier/Stiffening Agent | ⚠️ Yes — Stearyl Alcohol | A mixture of cetyl and stearyl alcohols (fatty alcohols, not drinking alcohol). Used to thicken and stabilize creams and ointments. Can cause contact dermatitis in sensitive individuals. |
| 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. |
| Dimethicone 200? | Skin Protectant/Emollient | No | A specific viscosity grade of dimethicone (polydimethylsiloxane). Used as a skin protectant, emollient, and anti-foaming agent. |
| Dimethiconol/trimethylsiloxysilicate Crosspolymer (40/60 W/w; 1000000 Pa.s)? | Skin Conditioner | No | A silicone elastomer blend used in topical formulations to provide a smooth, silky feel and improve product spreadability. |
| 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. |
| 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. |
| Hydroxyethyl Cellulose | Thickener/Binder | No | A cellulose derivative used to thicken gels and liquids, and as a binder in tablet formulations. Plant-derived. |
| Isopropyl Palmitate | Emollient/Solvent | No | A synthetic ester used as an emollient and to enhance skin penetration of active ingredients. |
| Phenol? | Preservative/Antiseptic | No | An antimicrobial agent used as a preservative in injectable formulations and as an antiseptic in topical products. |
| Phenoxyethanol | Preservative | No | A synthetic preservative used to prevent microbial growth in topical and some oral formulations. Can cause skin irritation in sensitive individuals. |
| Stearamidoethyl Diethylamine | — | No | — |
| Tocopherol | Antioxidant | No | Natural vitamin E. Used as an antioxidant to protect active ingredients from oxidation and extend product shelf life. |