Pataday Once Daily Relief Extra Strength Allergy Eye Drops - Twin Pack - 0.17 fl oz
Analysis updated September 2026 · How Scout scores
At a glance
Summary
This eye drop product contains benzalkonium chloride, a preservative that can cause irritation and dryness with prolonged use, which is a concern for sensitive users. The formulation includes several synthetic ingredients, reflecting a moderate level of processing. While these ingredients are typical for eye drops, the presence of benzalkonium chloride and the processed nature of the product influence its rating.
Key ingredients 10
OlopatadineNeutral
Olopatadine is an antihistamine used to relieve allergy symptoms in the eyes. It is effective in reducing itching and redness caused by allergic reactions. As a pharmaceutical ingredient, it is not associated with nutritional benefits or risks.
Benefits
Effective in alleviating symptoms of eye allergies, providing relief from itching and redness.
Boric AcidNeutral
Boric acid is used in eye drops to maintain pH balance and provide soothing effects. It is generally considered safe in small amounts for eye care products. Its role is primarily functional, with no direct nutritional benefits.
Benefits
Helps maintain pH balance and provides soothing effects in eye care formulations.
Hydrochloric Acid/Sodium HydroxideNeutral
These ingredients are used to adjust the pH of the eye drops to ensure compatibility with the eye's natural environment. They are not active ingredients and serve a functional purpose in the formulation. Their use is standard in many pharmaceutical preparations.
Benefits
Ensures the eye drops are at a suitable pH for safe and comfortable use.
Hydroxypropyl-gamma-cyclodextrinNeutral
Hydroxypropyl-gamma-cyclodextrin is used to enhance the solubility and stability of active ingredients in formulations. It is a modified cyclodextrin that helps improve the delivery of the active compound. It does not provide direct nutritional benefits.
Benefits
Improves solubility and stability of active ingredients, enhancing product efficacy.
HypromelloseNeutral
Hypromellose is a viscosity-increasing agent used to provide lubrication and moisture in eye drops. It is commonly used to relieve dry eyes and improve comfort. It is considered safe and effective for its intended use.
Benefits
Provides lubrication and moisture, helping to relieve dry eyes and improve comfort.
MannitolNeutral
Mannitol is used as an osmotic agent in eye drops to help reduce intraocular pressure. It is a sugar alcohol that is generally recognized as safe for use in pharmaceuticals. It does not provide nutritional benefits in this context.
Benefits
Helps reduce intraocular pressure, contributing to the therapeutic effect of the eye drops.
Polyethylene Glycol 400Neutral
Polyethylene glycol 400 is used as a lubricant in eye drops to provide moisture and relieve dryness. It is widely used in ophthalmic formulations for its effectiveness in improving comfort. It is considered safe for use in eye care products.
Benefits
Provides lubrication and moisture, helping to relieve dryness and improve comfort in the eyes.
PovidoneNeutral
Povidone is used as a binder and stabilizer in eye drops to enhance viscosity and improve the formulation's stability. It is a common ingredient in pharmaceutical products and is considered safe for use in eye care. It does not provide direct nutritional benefits.
Benefits
Enhances viscosity and stability of the formulation, contributing to product efficacy.
Purified WaterNeutral
Purified water is used as a solvent and carrier for the active and inactive ingredients in eye drops. It is essential for creating a suitable medium for the formulation. It is a standard component in pharmaceutical products and poses no health risks.
Benefits
Serves as a solvent and carrier, essential for the formulation of the eye drops.
Benzalkonium ChlorideBad
Benzalkonium chloride is a preservative commonly used in eye drops to prevent microbial growth. However, it can cause irritation and dryness in some individuals, especially with prolonged use. Its presence in eye care products is often debated due to potential ocular surface damage.
Risks
May cause eye irritation and dryness, particularly with long-term use.
Benefits
Helps prevent contamination and microbial growth in the product.
Processing
Processed Foods
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