Naturium Quadruple Hyaluronic Acid Serum 5% - 1 fl oz: Moisturizing, Smoothing, Vegan, Paraben-Free

Hydrolyzed Hyaluronic Acid is a smaller molecule form of hyaluronic acid that penetrates deeper into the skin. It provides intense hydration and helps to plump the skin, reducing the appearance of fine lines. It is highly effective in maintaining skin moisture.

Tetrahexyldecyl Ascorbate is a stable, oil-soluble form of Vitamin C that penetrates the skin effectively. It provides antioxidant protection, brightens the skin, and stimulates collagen production. It is highly valued for its anti-aging benefits.

Glycerin is a humectant that attracts moisture to the skin, helping to maintain hydration. It is well-tolerated by most skin types and enhances the skin's natural barrier function. It is a staple in skincare for its moisturizing properties.

Propanediol is a glycol that acts as a solvent and humectant in skincare products. It enhances the absorption of other ingredients and provides a smooth application. It is considered a safer alternative to propylene glycol.

Sodium Hyaluronate is the sodium salt of hyaluronic acid, known for its ability to hold up to 1000 times its weight in water. It provides excellent hydration and helps to maintain skin moisture levels. It is a key ingredient for plumping and smoothing the skin.

This ingredient is an emulsifier derived from apricot kernel oil, which helps to blend oil and water components in formulations. It is gentle on the skin and provides moisturizing benefits. It is considered a natural and skin-friendly emulsifier.

Magnolol is a compound derived from magnolia bark with antioxidant and anti-inflammatory properties. It helps to protect the skin from environmental stressors and reduce redness. It is beneficial for soothing and calming the skin.

Kaempferol is a flavonoid with antioxidant properties that helps to protect the skin from oxidative stress. It supports skin health by reducing inflammation and promoting collagen production. It is beneficial for maintaining youthful skin.

Glycolipids are natural compounds that help to maintain the skin's barrier function and hydration levels. They support the skin's natural repair processes and improve texture. They are beneficial for enhancing skin resilience.

Soybean sterols are plant-derived compounds that help to moisturize and condition the skin. They support the skin's natural barrier and improve elasticity. They are beneficial for maintaining smooth and supple skin.

Tocopheryl Acetate is a form of Vitamin E that provides antioxidant protection and helps to moisturize the skin. It supports skin healing and reduces the appearance of scars. It is widely used for its skin-conditioning properties.

Aqua, or water, is a common solvent used in cosmetic formulations. It serves as a base for the product, helping to dissolve other ingredients. It does not provide direct benefits or risks.

Polyglyceryl-6 Oleate is an emulsifier that helps to mix oil and water in cosmetic formulations. It is derived from natural sources and is considered safe for use. It does not provide direct skin benefits.

Standard formulation ingredient — neither beneficial nor harmful at typical use.

Polyglyceryl-10 Oleate is an emulsifier used to blend oil and water components in formulations. It is derived from natural sources and is considered safe for use. It does not provide direct skin benefits.

Sorbitan Palmate is an emulsifier used to stabilize formulations by blending oil and water components. It is derived from natural sources and is considered safe for use. It does not provide direct skin benefits.

Sodium Hydroxide is used to adjust the pH of cosmetic formulations. It is effective in small amounts but can be irritating in higher concentrations. It does not provide direct skin benefits.

Glyceryl Polyacrylate is a thickening agent that helps to improve the texture and stability of cosmetic formulations. It is widely used for its ability to create a smooth, gel-like consistency. It does not provide direct skin benefits.

Xanthan Gum is a natural thickening agent used to stabilize and improve the texture of cosmetic formulations. It is derived from fermentation and is considered safe for use. It does not provide direct skin benefits.

Hexylene Glycol is a solvent and viscosity agent used to improve the texture of cosmetic formulations. It is effective in small amounts and is considered safe for use. It does not provide direct skin benefits.

Processed additive flagged under Scout's ingredient doctrine.

Phenoxyethanol is a preservative used to prevent microbial growth in cosmetic products. While effective, it can cause irritation and allergic reactions in some individuals. It is often criticized for its potential to cause skin sensitivity.

Synthetic preservative — flagged in daily-use products.