HA, a moisturizer found naturally in tears) vs.Biotrue Hydration Plus also matches the pH of healthy tears to help make contacts comfortable when you put them in. Biotrue Hydration Plus Contact Lens Solution, 16 Fluid Ounce (Pack of 2) k. Biotrue Hydration Plus Contact Lens Solution, 16 Fluid Ounce (Pack of 2).
Biotrue Multi-Purpose Solution; and is the only contact solution to contain an antioxidant (protects HA against free radicals) as well as potassium (an electrolyte found naturally in tears). Biotrue Hydration Plus Contact Lens Solution, 16 Fluid Ounce (Pack of 2).Biotrue Hydration Plus also matches the pH of healthy tears to help make contacts comfortable when you put them in.