
Complete ingredient analysis for The Ordinary Hyaluronic Acid 2% + B5. Get detailed safety ratings, benefits, and concerns for every ingredient.
The Ordinary Hyaluronic Acid 2% + B5 serum features a well-balanced formula focused on hydration and skin barrier support, primarily through multiple forms of sodium hyaluronate and soothing panthenol. The inclusion of gentle humectants and marine extract enhances skin conditioning, while the preservative system is effective yet may pose mild irritation risks for very sensitive skin. Overall, the formula is suitable for most skin types, including sensitive skin, with minimal comedogenic risk.
Water is the primary solvent in cosmetic formulations, providing a medium for dissolving other ingredients and hydrating the skin surface.
Sodium Hyaluronate is the sodium salt of hyaluronic acid, a powerful humectant that attracts and retains moisture in the skin, promoting hydration and a plumping effect.
Pentylene Glycol acts as a humectant and solvent, helping to retain moisture and improve the texture of the formula while boosting preservative performance.
Propanediol is a skin-conditioning agent that acts as a solvent and humectant, enhancing hydration and helping other ingredients penetrate the skin.
This is a crosslinked form of sodium hyaluronate that provides sustained hydration by forming a film on the skin, enhancing moisture retention and skin smoothness.
Panthenol (Vitamin B5) is a moisturizing and soothing agent that helps improve skin hydration and supports the repair of the skin barrier.
Extract from marine red algae, it acts as a skin conditioning agent with antioxidant properties, helping to soothe and protect the skin.
Glycerin is a widely used humectant that draws water into the skin, improving hydration and skin softness.
A synthetic polymer used to thicken formulations and create a smooth, even film on the skin.
A polyethylene glycol derivative used as an emulsifier and surfactant to improve texture and stability; may be mildly irritating for sensitive skin.
A polyethylene glycol derivative of castor oil used as an emulsifier and solubilizer; generally safe but can cause irritation in sensitive skin.
A chelating agent that binds metal ions to improve product stability and prevent degradation.
An alpha hydroxy acid used to adjust pH and provide mild antioxidant properties; generally well tolerated in low concentrations.
A solvent that enhances the penetration of active ingredients and improves the overall texture of the formulation.
A skin conditioning agent with antimicrobial properties that also boosts the effectiveness of preservatives.
A solvent and viscosity controlling agent that improves the texture and solubility of ingredients; may cause mild irritation in sensitive skin.
A multifunctional ingredient that boosts preservative efficacy and provides mild moisturizing and antimicrobial benefits.
A widely used preservative that prevents microbial contamination; can cause irritation or allergic reactions in sensitive individuals.
A preservative used to inhibit microbial growth; may cause irritation or sensitization in some users.
Use our INCI checker to get detailed ingredient analysis for any skincare product.
Need a complete skincare routine?
Try the Routine Creator →
MySkinRoutine ⎜ Skincare Routine Creator ⎜ INCI Checker
© 2025 - MySkinRoutine. All Rights Reserved