Opti-Free Replenish by Alcon is complete with one 300 ml bottle. Opti-Free Replenish multi-purpose disinfecting solution is for silicone hydrogel and other soft contacts and ensures your daily wearing comfort is at its maximum. Relax with Opti-Free Replenish solution as it will help keep your eyes fresh and white for up to 14 hours. Keep in mind that frequent users should use lens care solutions 5-7 days per week.