PYRITHIONE ZINC 0.3 g

SHAMPOOTOPICALBRANDS INTERNATIONALNDC: 50157-125Updated: Mar 2026

Active Ingredient

⚠️ 1 ingredient flagged as common allergen

Sodium Lauryl Sulfate

⚠️ Yes — Surfactant

Wetting Agent

.alpha.-tocopherol

Antioxidant

D&C Red No. 33

Colorant

Edetate Sodium

Chelating Agent

Glycol Stearate

Emulsifier/Opacifier

Hamamelis Virginiana Top Water

Skin Conditioner

Methylchloroisothiazolinone/methylisothiazolinone Mixture

Preservative

Sodium Chloride

Tonicity Agent

Ingredient	Purpose	Common Allergen?	Description
Sodium Lauryl Sulfate	Wetting Agent	⚠️ Yes — Surfactant	A surfactant used to improve drug dissolution. Can cause skin irritation in some individuals.
.alpha.-tocopherol	Antioxidant	No	The most biologically active form of vitamin E. Used to protect formulations from oxidative degradation.
D&C Red No. 33	Colorant	No	A synthetic red dye used in topical formulations and some oral medications. May cause reactions in individuals with dye sensitivities.
Edetate Sodium	Chelating Agent	No	A sodium salt of EDTA used to bind metal ions, preventing degradation of active ingredients and preserving formulation stability.
Glycol Stearate	Emulsifier/Opacifier	No	A glycol ester used as an emulsifier, opacifier, and pearlizing 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.
Methylchloroisothiazolinone/methylisothiazolinone Mixture	Preservative	No	A broad-spectrum preservative system (Kathon CG). Known to cause contact dermatitis and allergic sensitization in some individuals.
Sodium Chloride	Tonicity Agent	No	Common table salt. Used to adjust the osmotic pressure of injectable and ophthalmic solutions to match body fluids.