Systane Ultra Lubricant Eye Drops for Dry Eye Symptoms 25 Preservative-Free Single Use Vials
Analysis updated July 2026 · How Scout scores
At a glance
Summary
This product contains beneficial ingredients like glycerin and sorbitol, which are effective humectants that help retain moisture. However, the presence of propylene glycol, a synthetic compound that can cause irritation in some individuals, slightly lowers its safety profile. The overall formulation is minimally processed, but the inclusion of a potentially irritating ingredient affects its overall rating.
Key ingredients 9
Hydroxypropyl guarGood
Hydroxypropyl guar is a derivative of guar gum used as a thickening agent and stabilizer. It enhances the viscosity of formulations, improving the texture and application. It is derived from natural sources and is generally well-tolerated.
Risks
Minimal risk of irritation, generally considered safe.
Benefits
Improves the texture and stability of the product, enhancing user experience.
GlycerinGood
Glycerin is a well-known humectant that attracts moisture to the skin or eyes, providing hydration and improving barrier function. It is derived from natural sources and is highly effective in maintaining moisture balance. It is widely used in personal care products for its moisturizing properties.
Risks
Generally safe with a low risk of irritation.
Benefits
Provides excellent hydration and helps maintain the skin's moisture barrier.
Polyethylene glycol 400Neutral
Polyethylene glycol 400 is a common lubricant used in eye drops to provide moisture and relieve dryness. It is generally considered safe for use in eye care products. However, it does not offer any additional skin or health benefits beyond lubrication.
Risks
There is a minimal risk of irritation or allergic reaction, although this is rare.
Benefits
It effectively lubricates the eyes, providing relief from dryness and irritation.
AminomethylpropanolNeutral
Aminomethylpropanol is used to adjust the pH of cosmetic formulations. It is generally considered safe in low concentrations. It does not provide direct benefits to the skin or eyes but ensures product stability.
Risks
High concentrations can cause irritation, but it is typically used in safe amounts.
Benefits
Ensures the stability and effectiveness of the product by maintaining the correct pH.
Boric acidNeutral
Boric acid is used as an antiseptic and preservative in eye care products. It helps to prevent bacterial growth, ensuring the product remains safe for use. However, it does not provide additional benefits beyond preservation.
Risks
Potential for irritation if used in high concentrations, though typically safe in regulated amounts.
Benefits
Acts as a preservative, preventing bacterial contamination.
Polyquaternium-1Neutral
Polyquaternium-1 is a preservative and conditioning agent used in eye care products. It helps to maintain product safety by preventing microbial growth. It does not provide direct benefits to the skin or eyes beyond preservation.
Risks
May cause irritation in sensitive individuals, though generally safe.
Benefits
Prevents microbial contamination, ensuring product safety.
SorbitolNeutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
Risks
Low risk of irritation, generally well-tolerated.
Benefits
Provides hydration and helps maintain moisture balance in formulations.
Carboxymethylcellulose SodiumNeutral
Carboxymethylcellulose Sodium is a thickening agent used to improve the viscosity of formulations. It helps to stabilize the product and enhance its application. It does not provide direct benefits to the skin or eyes beyond its functional role.
Risks
Generally considered safe with minimal risk of irritation.
Benefits
Enhances the viscosity and stability of the product, improving application.
Propylene glycolBad
Propylene glycol is a synthetic compound used as a humectant and solvent in many personal care products. It can cause irritation in some individuals, especially with prolonged use. While it helps retain moisture, its synthetic nature and potential for irritation are concerns.
Risks
May cause skin or eye irritation, especially in sensitive individuals.
Benefits
Helps to retain moisture and improve the texture of formulations.
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