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De La Cruz® Merthiolate Tincture 1 FL OZ (30 mL)

De La Cruz® Merthiolate Tincture 1 FL OZ (30 mL)

Merthiolate has been a staple in American medicine cabinets since the 1920’s. Our formula is Mercury-free and is for external use to prevent infection in minor cuts, scrapes and burns.



First aid antiseptic to help prevent infection in minor:

  • cuts
  • scrapes
  • burns

Active Ingredient

Benzalkonium chloride 0.13%


First aid antiseptic

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Adults and children 2 years of age and older:

  • clean the affected area
  • apply a small amount of this product on the area 1 to 3 times daily
  • may be covered with a sterile bandage. If bandaged, let dry first.
  • for children under 2 years of age: ask a doctor



Last update: 5/10/13


For external use only.


Flammable. Keep away from sparks, heat and fire.


Consult a doctor before use if you have

  • deep or puncture wounds
  • animal bites
  • serious burns


When using this product 

  • do not use in or near the eyes
  • do not apply over large areas of the body
  • do not apply over raw surfaces or blistered areas
  • do not use longer than a week unless directed by a doctor 


Stop use and consult a doctor if

  • the condition persists or gets worse


Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center immediately.


Other information

  • will stain skin and clothing


This is the latest labeling information, and may not be the same as that on product packaging.  If differences exist between this labeling and the labeling on the product packaging, this website labeling should be considered the most current.


Last update: 5/10/13

Active Ingredient Purpose
Benzalkonium chloride 0.13% First aid antiseptic


Inactive Ingredients 
acetone, alcohol, D&C red #22, purified water



Last update: 5/16/13