Kojic Acid is a well-known brightening ingredient that helps reduce the appearance of hyperpigmentation, dark spots, and discoloration.
This particular grade of kojic acid is water-soluble and features a distinct gold color, making it easier to incorporate into water-based formulations without risk of precipitating.
It is often used in skin-lightening treatments, anti-aging serums, and even-toning formulations. Kojic acid works by inhibiting melanin production, leading to a more even, luminous complexion over time.
Its gold hue makes it a unique addition to formulations that require both efficacy and a visually appealing touch.
FEATURES
- Brightening support – inhibits melanin production, reducing the appearance of dark spots and hyperpigmentation.
- Water-soluble – easy to incorporate into aqueous systems, ensuring stable formulation.
- Unique gold color – adds a visually appealing gold hue to your formulations.
- Skin tone enhancement – promotes a more even, radiant complexion over time.
BEST FOR
- Hyperpigmentation treatments
- Skin lightening serums
- Even-tone moisturisers
- Brightening face masks
- Dark spot treatments
- Anti-aging formulations
FORMULATION GUIDELINES
| INCI | Kojic Acid |
|---|---|
| Type | Skin-brightening agent |
| Solubility | Water soluble |
| Use Rate | 0.5–2.0% typical. Start at 0.5% and adjust for stronger lightening effects. Higher levels may increase irritation potential. |
| pH Compatibility | Works best in slightly acidic systems (pH 4.0–6.0). |
| Temperature Tolerance | Stable under normal processing. We recommend adding after heat is reduced to protect from degradation. |
| Pro Tip | To prevent the gold colour from darkening or precipitating, ensure that kojic acid is fully dissolved in the water phase, and always add at the end of the heating phase. Pair with stabilising agents like sodium metabisulfite to preserve the brightening effects over time. For optimal results in hyperpigmentation treatments, combine kojic acid with other brighteners like niacinamide or alpha arbutin. |
| Appearance | Gold-colored powder or clear solution (water-soluble) |
| Stability Notes | Prone to oxidation when exposed to light and air. Always package in air-tight, opaque containers. |
| Storage | Store in a cool, dry, and dark place to prevent oxidation and maintain efficacy. |
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