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Leucillen mimics the bodies’ own immune system by containing the active ingredient Hypochlorous (HOCl); this is a naturally occurring chemical in the mammalian body produced by white blood cells to fight infection caused by invading pathogens. Leucillen contains an extra strength hypochlorous formula, which kills 99.99999%, to ensure that not a single pathogen cell survives.

Hypochlorous is one of the most effective and efficient biocides known to man. Whilst being totally safe, it is 300 times more effective than bleach and is almost instant in its effect and unlike antibiotics, bacteria do not develop immunity to it.

How Safe is Leucillen?

Because Hypochlorous is a natural chemical already existing in the body, animals prone is skin sensitively with other products will not suffer any adverse reactions to Leucillen, it is 100% safe to use on sensitive areas such as around eyes, cuts and open wounds and is completely harmless to be ingested where domestic pets are likely to lick at treated areas.

How do I use Leucillen?

Leucillen is skin pH neutral, non-toxic, and will not sting; it is 100% safe to use in any application including eyes, ears and sensitive skin. For optimum strength of solution spray twice to clear nozzle, then apply liberally directly to infected area or saturate cotton wool and apply to more sensitive areas such as eyes.


  • Works by mirroring the body’s immune system
  • Contains NO steroids, antibiotics or alcohols
  • Reduces recovery time by up to 60%
  • Maintains healthy itch-free skin
  • Non-toxic, skin pH neutral, 100% safe
  • Does not sting or irritate
  • Does not harm healthy tissue
  • Does not require rinsing
  • Suitable for use on all mammals, birds and reptiles