| 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. |
| Algeldrate? | Antacid | No | Aluminum hydroxide gel. Used as an antacid and in some vaccine formulations as an adjuvant. |
| Allantoin | Skin Protectant | No | A compound that promotes wound healing and cell regeneration. Used as a skin protectant and soothing agent in topical formulations. |
| Anhydrous Dextrose | — | No | — |
| Cellulose, Oxidized? | — | No | — |
| Chlorobutanol Hemihydrate? | — | No | — |
| Clove Oil | — | No | — |
| Dimethyl Sulfoxide | Penetration Enhancer/Solvent | No | DMSO. A powerful solvent that enhances skin penetration of active ingredients. Also used as a cryoprotectant. |
| 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 Monocaprylate | Penetration Enhancer/Emulsifier | No | A glyceride ester used to enhance skin penetration and as an emulsifier in topical formulations. |
| Glyceryl Oleate? | Emulsifier/Emollient | No | A glyceride ester used as an emulsifier, emollient, and skin-conditioning agent in topical formulations. |
| Hamamelis Virginiana Top Water | Skin Conditioner | No | Witch hazel distillate, a plant-derived astringent used in topical formulations to soothe and tone the skin. |
| Hydrogen Peroxide? | Oxidizing Agent/Antiseptic | No | Used as a bleaching agent in some formulations and as an antiseptic in wound care products. |
| Lanolin Oil? | Emollient | No | An oil derived from sheep wool (lanolin). Used as an emollient and skin conditioner. Animal-derived — relevant for vegan patients. Can cause contact dermatitis in lanolin-sensitive individuals. |
| Lavender Oil | Fragrance | No | An essential oil from lavender flowers used as a fragrance and for its calming properties. Can cause contact sensitization in some individuals. |
| Limonene, (+)- | Fragrance/Solvent | No | A citrus-derived terpene used as a fragrance component and solvent. Can cause contact sensitization in some individuals. |
| Methyl Glucose Sesquistearate? | Emulsifier | No | A corn-derived emulsifier used to stabilize creams and lotions. May be relevant for corn-sensitive individuals. |
| 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. |
| Sorbitan Tristearate? | Emulsifier | No | A non-ionic surfactant (Span 65) used to stabilize water-in-oil emulsions in topical formulations. |
| 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. |