First Aid Only BZK Antiseptic (BENZALKONIUM CHLORIDE) 0.0018 mg

LIQUIDTOPICALAcme United CorporationNDC: 0924-7116Updated: Mar 2026

Active Ingredient

Hamamelis Virginiana Top Water

Skin Conditioner

Methylchloroisothiazolinone/methylisothiazolinone Mixture

Preservative

Ingredient	Purpose	Common Allergen?	Description
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.