Boston One Step Liquid Enzymatic Cleaner is a simple and convenient way to effectively remove protein deposits weekly from gas permeable (GP) contact lenses to help maintain contact lens wearing comfort.

Convenient liquid works right in your lens case as you disinfect your lenses so it's easy to use and saves time. Most practitioners recommend using an enzymatic cleaner at least once a week.

Key Features & Benefits

  • Removes Deposits right in your lens case as you disinfect.
  • 12-week supply
  • ComfortHold dispenser is easy to use
  • Clear, odorless formula.


  • To open, twist the tab off the single-use container.
  • Squeeze container to release 2 drops of Boston One Step Liquid Enzymatic Cleaner into each lens well already filled with Boston Conditioning Solution or Boston ADVANCE Conditioning Solution. Soak lenses for at least four (4) hours (or overnight) before wearing.
  • Discard container immediately after use.
  • After soaking, remove from the lens case, rub and rinse lenses for approximately five (5) seconds with any Boston Conditioning Solution to ensure that the enzymatic cleaner is thoroughly rinsed off the lenses. DO NOT USE TAP WATER FOR THIS FINAL RINSE.
  • Apply fresh conditioning solution to wet the lenses for additional cushioning, if desired, and insert.
  • Discard solution from the lens case immediately and thoroughly clean interior of lens case with hot water and air dry after each use.

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Boston One Step Liquid Enzymatic Cleaner : Additional information