Selsun Blue Itchy Dry Scalp (PYRITHIONE ZINC) 0.01 g

SHAMPOOTOPICALChattem, Inc.NDC: 41167-6020Updated: Mar 2026

Active Ingredient

⚠️ 1 ingredient flagged as common allergen

FD&C Blue No. 1

⚠️ Yes — Dye

Colorant

.alpha.-tocopherol Acetate

Antioxidant

Butylated Hydroxytoluene?

Antioxidant

Citric Acid Monohydrate?

pH Adjuster/Buffer

Edetate Disodium

Chelating Agent

Glyceryl Monocaprylocaprate

Glycol Stearate

Emulsifier/Opacifier

Hamamelis Virginiana Top Water

Skin Conditioner

Lauryl Lactate?

Niacinamide

Skin Conditioner

Potassium Hydroxide

pH Adjuster

Sodium Methyl Cocoyl Taurate

Ingredient	Purpose	Common Allergen?	Description
FD&C Blue No. 1	Colorant	⚠️ Yes — Dye	A synthetic blue dye. Less commonly allergenic than other dyes but reactions are documented.
.alpha.-tocopherol Acetate	Antioxidant	No	Vitamin E acetate. Used as an antioxidant to protect active ingredients from degradation during storage.
Butylated Hydroxytoluene?	Antioxidant	No	BHT. A synthetic antioxidant used to prevent oxidative degradation of fats and oils in pharmaceutical products. Rare contact sensitivity reported.
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.
Edetate Disodium	Chelating Agent	No	Also known as EDTA. Binds metal ions to prevent degradation of active ingredients and preserve product stability.
Glyceryl Monocaprylocaprate	—	No	—
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.
Lauryl Lactate?	—	No	—
Niacinamide	Skin Conditioner	No	Vitamin B3 (nicotinamide). Used as a skin-conditioning agent in topical formulations. Generally well tolerated.
Potassium Hydroxide	pH Adjuster	No	A strong alkali used to adjust pH in pharmaceutical formulations. Present only in trace amounts in the final product.
Sodium Methyl Cocoyl Taurate	—	No	—