INSTA RELIEF DM (LIDOCAINE HYDROCHLORIDE, MENTHOL) 40 mg / 10 mg

CREAMTOPICALDM LAB CORPNDC: 72465-600Updated: Mar 2026

Active Ingredients

LIDOCAINE HYDROCHLORIDE — 40 mg

MENTHOL — 10 mg

Inactive Ingredients (Fillers)

⚠️ 4 ingredients flagged as common allergens

Benzyl Alcohol

⚠️ Yes — Benzyl Alcohol

Preservative/Solvent

A preservative and solvent used in injectable and topical formulations.

Cetostearyl Alcohol

⚠️ Yes — Stearyl Alcohol

Emulsifier/Stiffening Agent

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.

Cetyl Alcohol

⚠️ Yes — Cetyl Alcohol

Emulsifier/Thickener

A fatty alcohol used in topical formulations. Can cause contact dermatitis.

Medium-chain Triglycerides

⚠️ Yes — Coconut

Solvent/Vehicle

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.

Beta Carotene

Carbomer Homopolymer

Thickener/Gelling Agent

Dimethyl Sulfoxide

Penetration Enhancer/Solvent

Ethylhexyl Hydroxystearate?

Emollient

Eucalyptus Oil

Fragrance/Counterirritant

Glycerin

Humectant/Solvent

Hamamelis Virginiana Top Water

Skin Conditioner

Lavender Oil

Fragrance

Lime Oil, Cold Pressed

Phenoxyethanol

Preservative

Polyoxyl 20 Cetostearyl Ether

Emulsifier

Potassium Hydroxide

pH Adjuster

Ingredient	Purpose	Common Allergen?	Description
Benzyl Alcohol	Preservative/Solvent	⚠️ Yes — Benzyl Alcohol	A preservative and solvent used in injectable and topical formulations.
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.
Cetyl Alcohol	Emulsifier/Thickener	⚠️ Yes — Cetyl Alcohol	A fatty alcohol used in topical formulations. Can cause contact dermatitis.
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.
Beta Carotene	—	No	—
Carbomer Homopolymer	Thickener/Gelling Agent	No	A synthetic acrylic acid polymer used to create gels and thicken topical formulations.
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.
Eucalyptus Oil	Fragrance/Counterirritant	No	An essential oil from eucalyptus leaves used as a fragrance, decongestant, and topical counterirritant.
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.
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.
Lime Oil, Cold Pressed	—	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.
Polyoxyl 20 Cetostearyl Ether	Emulsifier	No	A non-ionic surfactant (Cetomacrogol) used to emulsify and stabilize creams and ointments.
Potassium Hydroxide	pH Adjuster	No	A strong alkali used to adjust pH in pharmaceutical formulations. Present only in trace amounts in the final product.