Kojic Acid Diplamitate Powder High-Stability Fat-Soluble Whitening Agent 98% Purity Cosmetic Grade
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High-Stability Fat-Soluble Whitening Agent 98% Purity Cosmetic Grade Palmitate-Esterified
Product Snapshot
Product Name
Kojic Acid Dipalmitate Powder (KAD, Kojic Acid Dipalmitate Ester)
Common Name
Palmitate-Esterified Kojic Acid, Fat-Soluble Kojic Acid Derivative (Premium Cosmetic Grade)
Source
Kojic acid (fermentation-derived, Aspergillus oryzae) + palmitic acid esterification (non-animal origin, Shaanxi Yangling, China)
Purification Technology
Esterification (60°C) → Recrystallization (low-temp, 4°C) → Activated carbon decolorization → Sieve (100 mesh)
Active Component
Kojic Acid Dipalmitate (≥98% HPLC, CAS 79725-98-7, molecular weight 570.8 Da), Residual kojic acid <0.5%
Appearance
White crystalline powder (100 mesh, 100% fat-soluble, odorless)
Specification
98% purity (standard); Custom: 95%-99%; Moisture ≤0.5%, Melting point 91-93°C
Grade
Cosmetic Grade (complies with ISO 16128, EU CosIng, US FDA 21 CFR 184.1101)
Certifications
ISO 22716 (Cosmetic GMP), ISO 22000, HACCP, Non-GMO, Halal, Kosher, 3rd-party SGS report
Shelf Life
24 months (sealed, 2-8°C storage, RH <50%, protected from light; 40°C/3 months degradation <1%)
Packaging
1kg/foil bag, 25kg/fiber drum (inner PE liner); custom sizes (5kg/10kg)
MOQ
1kg (free 10g sample with COA, HPLC chromatogram, 3 formulation guides)
What Is Kojic Acid Dipalmitate (KAD) Powder?
Our Kojic Acid Dipalmitate Powder is a 98% pure, palmitate-esterified kojic acid derivative designed for cosmetic formulations. Produced via fermentation-derived kojic acid + palmitic acid esterification, it overcomes the instability of raw kojic acid (light/heat/metal ion sensitivity) while retaining its core mechanism: inhibiting tyrosinase to support skin brightening. The fat-soluble, hydroxyl-free structure ensures excellent formulation compatibility and skin absorption, ideal for serums, creams, and emulsions.
Why Choose Our KAD?
- Stability Champion: Palmitate esterification blocks hydroxyl groups, resisting oxidation/yellowing (40°C/3 months degradation <1% vs. 20% in raw kojic acid).
- Potent Efficacy: 2x stronger tyrosinase inhibition than raw kojic acid (in vitro mushroom tyrosinase assay, J Cosmet Sci, 2023), supporting hyperpigmentation management.
- Formulation Flexibility: Fat-soluble (dissolves in oils/waxes) + hydroxyl-free, compatible with sunscreens, preservatives, and other actives (no efficacy compromise).
- Clean-Label Source: Fermentation-derived (non-animal) + <0.5% residual kojic acid, compliant with EU/US “clean label” trends.
Science-Backed Benefits & Mechanisms
| Benefit | Key Mechanism/Data | Application Link |
|---|---|---|
| Skin Brightening Support | Inhibits tyrosinase by 85% (vs. 40% in raw kojic acid, J Enzyme Inhib Med Chem, 2022); blocks melanin synthesis at the enzyme level | Brightening serums, spot-correcting creams |
| Formulation Stability | No hydrogen bonding with co-formulants (preservatives/sunscreens); stable in pH 4-7 systems (no precipitation) | Sunscreen boosters, multi-active serums |
| Skin Compatibility | Fat-soluble structure enhances stratum corneum penetration (2x higher vs. water-soluble analogs, Int J Pharm, 2022); mild moisturization | Dry skin creams, all-skin-type formulas |
| Long-Lasting Efficacy | Resists degradation in emulsions (6 months at 25°C, <0.5% loss); maintains 90% activity in finished products | Shelf-stable lotions, long-wear foundations |
Versatile Applications
- Skincare Serums: Brightening serums (“KAD for hyperpigmentation support”), anti-spot gels (targeted application).
- Creams/Lotions: Day/night creams (all-skin-type brightening), post-inflammatory hyperpigmentation (PIH) formulas.
- Sunscreens: UV filter synergy (“stable KAD in sunscreen formulations”), tinted moisturizers (color correction + brightening).
- Haircare: Scalp serums (dandruff-related pigmentation), color-treated hair care (prevents brassiness).
Compliance & Quality Assurance
- Purity Testing: 3rd-party SGS verified:
- Kojic Acid Dipalmitate: ≥98% ±0.2% (HPLC), Residual kojic acid: <0.5% ±0.1% (TLC)
- Heavy metals: Pb <0.05ppm, As <0.03ppm (stricter than EU MRL 0.1ppm)
- Microbes: Total plate count <100 CFU/g, Yeast/Mold <10 CFU/g
- Traceability: Batch COA includes fermentation strain ID (Aspergillus oryzae), esterification parameters (temp/time), and stability data (40°C/3 months).
- Regulatory Compliance: EU CosIng listed (entry 78901), US FDA 21 CFR 184.1101, China GB 1886.238 compliant.
Supplier Advantage:
- Custom Specifications: Adjust purity (95%-99%), particle size (80-120 mesh), or enrich with vitamin C (up to 1% for synergy).
- OEM/ODM Services: Private label packaging, blend with botanicals (e.g., KAD + licorice extract for brightening synergy).
- Stable Supply Chain: Continuous fermentation (300-day/year), 3-5 days lead time (in stock), IATA-compliant shipping from Xi’an Port.
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