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Look for the Systane Lubricant Eye Drops in the green carton with white lettering and Ultra PF (for “Preservative Free”) in a pink strip and “Convenient Single Vials On-the-Go” printed ...
Alcon's (ALC) new preservative-free solution for patients with dry eye symptoms is the latest addition to its leading global artificial tear brand Systane.
Preservative-free artificial formulations are indicated for patients who cannot tolerate artificial tear formulations with preservatives, patients who are using artificial tears more than four to six times a day, [10] and patients who are using multiple topical eye drops with preservatives. [9] Preservative-free eye drops are found in single vials.
Consistency and viscosity affect the adhesion and retention property of the gel, and are important in ensuring the gel is retained at the site of application and effective delivery of the drug. [3] The ingredients in topical gel formulation can be broadly categorized into four types: gelator, solvent, drug, and excipients.
Alcon offices in Johns Creek, Georgia. Alcon Inc. (German: Alcon AG) is a Swiss-American pharmaceutical and medical device company specializing in eye care products. It has a paper headquarters in Geneva, Switzerland but its operational headquarters are in Fort Worth, Texas, United States, where it employs about 4,500 people.
[4] [5] Cosmoline conforms to MIL-SPEC (MIL-C-11796C, Class 3) for Preservative and Sealing Compounds. [6] Chemically, cosmoline is a homogeneous mixture of oily and waxy long-chain, non-polar hydrocarbons. It is always brown in color, but can differ in viscosity and shear strength.
Propylparaben (also spelled propyl paraben) is the n-propyl ester of p-hydroxybenzoic acid.It occurs as a natural substance found in many plants and some insects. Additionally, it can be manufactured synthetically for use in cosmetics, pharmaceuticals, and foods. [1]
Natamycin has been used for decades in the food industry as a hurdle to fungal outgrowth in dairy products and other foods. Potential advantages for the usage of natamycin might include the replacement of traditional chemical preservatives, a neutral flavor impact, and less dependence on pH for efficacy, as is common with chemical preservatives.
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