Ferulic Acid
Powerful antioxidant that helps protect formulas and support brighter-looking, more even tone skin. Commonly used to boost vitamin C systems and improve oxidative stability.
Ferulic Acid is a high-performance antioxidant used in advanced skincare to support a more even-looking complexion and reduce the look of dullness caused by oxidative stress.
It is especially valued for boosting the stability and performance of vitamin C and vitamin E systems, which is why it’s often found in antioxidant serum concepts.
Ferulic acid has limited water solubility, so it is typically dissolved in a suitable solvent system before being added to the formula.
FEATURES
- High antioxidant power – supports protection against oxidation in skin and formulas.
- Boosts vitamin C systems – helps stabilise and strengthen C + E antioxidant blends.
- Even-tone support – helps reduce the look of dullness and uneven tone over time.
- Works in modern serums – fits best in alcohol/solvent systems or carefully designed emulsions.
BEST FOR
- Vitamin C serums
- Antioxidant boosters
- Even-tone serums
- Brightening blends
- Anti-dullness formulas
- Protective day serums
FORMULATION GUIDELINES
| INCI | Ferulic Acid |
|---|---|
| Type | Antioxidant active |
| Solubility | Limited water solubility. Soluble in suitable solvents (example: ethanol, propanediol, DMI) depending on system. |
| Use Rate | 0.1–1.0% typical. 0.3–0.5% is common in antioxidant serum concepts. |
| Best Phase | Solvent phase / cool down (after dissolving) |
| pH Compatibility | We recommend finished product pH 3.0–6.0 depending on your active system. Often used in acidic vitamin C systems. |
| Temperature Tolerance | We recommend dissolving with gentle warming if needed, then adding below 45°C and avoiding prolonged heat holding. |
| Pro Tip | Pre-dissolve ferulic acid completely in ethanol or DMI before adding to the main batch to avoid grains and recrystallisation. Pairing with vitamin C derivatives and tocopherol can improve antioxidant synergy and overall formula stability. Protect the formula with a chelator (example: disodium EDTA) and use air-minimising, light-protective packaging to slow oxidation. |
| Appearance | Off-white to pale yellow crystalline powder |
| Stability Notes | Can recrystallise if not fully dissolved or if the solvent ratio is too low. Validate clarity and crystallisation over time during stability testing. |
| Storage | Keep sealed, cool and dry, away from direct sunlight. Protect from humidity. |
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