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Ferulic Acid

What is Ferulic Acid and How is it Used in Cosmetics?

Ferulic Acid is a powerful antioxidant naturally derived from the cell walls of plants such as rice bran, oats, and apples. In cosmetics, it is best known for neutralizing free radicals, boosting the stability and performance of other antioxidants, and enhancing photoprotection when paired with ingredients like Vitamin C (L-Ascorbic Acid) and Vitamin E (Tocopherol).

It’s a staple in many advanced skincare formulations aimed at preventing premature aging, reducing oxidative damage, and improving skin resilience, especially in daytime serums and anti-aging products.

Ferulic Acid Technical Details and Characteristics

  • INCI Name: Ferulic Acid

  • Appearance: Fine white to pale yellow crystalline powder

  • Solubility:

    • Slightly soluble in water

    • Soluble in ethanol, propanediol, ethoxydiglycol, and other glycols

  • Usage Rate: 0.1–1.0%

  • pH Stability: Most stable in the range of pH 3–6

  • Functions:

    • Antioxidant

    • Photostabilizer

    • Anti-aging support

  • Key Properties:

    • Neutralizes oxidative stress (free radicals)

    • Stabilizes L-Ascorbic Acid and Tocopherol

    • Enhances UV protection

  • Compatibility: Works synergistically with Vitamin C, Vitamin E, Niacinamide, and UV filters

How to Incorporate Ferulic Acid into Formulations

  • Formulation Phase: Pre-dissolve in a suitable solvent (ethanol, ethoxydiglycol, or propanediol), then add during the cool-down phase

  • Processing Temperature: Do not exceed 60°C to maintain stability

  • pH Range: Formulate within pH 3–6 for optimal solubility and efficacy

  • Formulation Tips:

    • Combine with other antioxidants to create a stable, synergistic formula

    • Protect from air and light using amber or airless containers

    • Add chelating agents to prevent metal ion-induced degradation

Where Ferulic Acid is Found in Skincare Products

Ferulic Acid is commonly used in:

  • Antioxidant serums (especially Vitamin C + E serums)

  • Anti-aging creams and boosters

  • Brightening treatments and spot correctors

  • Sunscreen-enhancing day creams

  • DIY formulations for skin protection and repair

It is especially popular in morning routines to shield skin from pollution and UV-induced oxidative stress, and in professional-grade antioxidant blends.