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Ascorbyl Tetraisopalmitate CAS 183476-82-6 - High-Quality Supplier and Factory in China
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Chemical Name: Ascorbyl Tetraisopalmitate
CAS No.: 183476-82-6
Molecular Formula: C70H128O10
Molecular Structure:
Molecular Weight: 1129.76
Appearance: Colorless Transparent Liquid
Sample: Free samples are available
Our Ascorbyl Tetraisopalmitate is sourced from leading suppliers in China, ensuring the highest quality for our customers. With its unique molecular structure and impressive properties, this product is an essential ingredient in various cosmetic applications. Our factory adheres to strict quality standards, offering you reliable and effective solutions. Contact us today to learn more about our products and receive your free sample!
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Typical Properties
| Item | Specifications |
| Appearance | Colorless Transparent Liquid |
| Color (APHA) | 100 max |
| Assay | 98~102% |
| Refractive index (25℃) | 1.459~1.465 |
| Specific gravity | 0.930~0.943 |
| Heavy metals | NMT 10 ppm |
| Arsenic | NMT 2 ppm |
| Microbial limited tests | Bacteria < 500 cfu/g |
| Mildew and microzyme < 100 cfu/g | |
| No escherichia coli should be found |
Application
As an efficient and gentle whitening and anti-aging core ingredient, VC-IP is the preferred ingredient for high-end efficacy skincare, suitable for all skin types, including sensitive skin and niacinamide intolerant skin. Its transdermal absorption rate is 16.5 times that of water-soluble vitamin C, which can quickly penetrate the stratum corneum and be hydrolyzed into active vitamin C by enzymes in the skin, continuously exerting its effects. Its formula compatibility is extremely strong, making it one of the core ingredients in the trend of "oil nourishing skin."
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✨1. Whitening and Spot Lightening Accurately inhibit the activity of tyrosinase, block the generation of melanin from the source, effectively improve the dull skin color, anti tanning after sun exposure, acne marks and spots after inflammation. Long term use can achieve even and bright skin color, which has been listed as the legal whitening active ingredient in Japan, South Korea and Taiwan, China.
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🛡️2. Antioxidant and Anti-Aging Efficiently removes free radicals, prevents skin lipid peroxidation, reduces UV damage to cellular DNA, and provides photoprotection. Simultaneously promoting collagen synthesis in the dermis, inhibiting matrix metalloproteinase activity, improving fine and dry lines, enhancing skin elasticity and firmness, and resisting photoaging.
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🌿3. Gentle Repair Extremely low irritation, with a risk factor of only 1, no need to establish tolerance. Can soothe the skin, maintain the integrity of the skin barrier, adapt to daily care of sensitive skin, and also have the effect of softening the skin, enhancing the skin feel of skincare products.
🧴 Common Application Products:
High-end whitening essence oil, anti-aging essence, face cream, lotion, sunscreen products, post sun repair products, facial mask — especially suitable for "oil skin care" dosage forms. Can work together with nicotinamide, vitamin E derivatives, bose, peptides and other ingredients to enhance the efficacy of the product.
High-end whitening essence oil, anti-aging essence, face cream, lotion, sunscreen products, post sun repair products, facial mask — especially suitable for "oil skin care" dosage forms. Can work together with nicotinamide, vitamin E derivatives, bose, peptides and other ingredients to enhance the efficacy of the product.
⚗️ Recommended Dosage:
0.1%–2.0% is recommended for resident products (face cream, essence). The CIR assessment of the United States considers concentrations not higher than 4% safe for use. It is recommended to add no more than 0.05% to cleansing and shampoo products, and to further enhance stability by combining 0.1–0.3% tocopherol and disodium EDTA in the formula.
0.1%–2.0% is recommended for resident products (face cream, essence). The CIR assessment of the United States considers concentrations not higher than 4% safe for use. It is recommended to add no more than 0.05% to cleansing and shampoo products, and to further enhance stability by combining 0.1–0.3% tocopherol and disodium EDTA in the formula.
Package
📦 1 kg / bottle
📦 5 kg / bottle
📦 20 kg / bottle
Storage
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Store in a cool, dry, and well ventilated place, away from light and sealed. Keep away from strong acids, alkalis, and oxidants, and avoid mixing with odors and volatile chemicals. When stacking, keep away from the ground and walls to prevent moisture.
Frequently Asked Questions
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What is VC-IP and how does it differ from regular Vitamin C?
VC-IP (Ascorbyl Tetraisopalmitate) is an oil-soluble, stable form of Vitamin C. Unlike water-soluble Vitamin C (L-Ascorbic Acid), VC-IP is highly stable, non-irritating, and has a transdermal absorption rate 16.5 times higher, allowing it to penetrate the skin more effectively and be converted into active Vitamin C by skin enzymes.
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Is VC-IP suitable for sensitive skin?
Yes. VC-IP has an extremely low irritation profile with a risk factor of only 1. It is suitable for all skin types, including sensitive skin and skin that is intolerant to niacinamide. No tolerance-building period is required.
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What is the recommended usage concentration of VC-IP in skincare formulations?
For leave-on products such as face creams and serums, 0.1%–2.0% is recommended. The U.S. CIR assessment considers concentrations up to 4% safe. For rinse-off products like cleansers and shampoos, no more than 0.05% is advised.
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Can VC-IP be combined with other active ingredients?
Absolutely. VC-IP has excellent formula compatibility and works synergistically with nicotinamide, vitamin E derivatives, bosein (bose), peptides, tocopherol, and disodium EDTA. Combining 0.1–0.3% tocopherol and disodium EDTA can further enhance its stability in formulations.
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How should VC-IP be stored to maintain its quality?
VC-IP should be stored in a cool, dry, and well-ventilated environment, away from direct light, and kept in a sealed container. It should be kept away from strong acids, alkalis, and oxidants, and stored separately from odorous or volatile chemicals. Containers should be kept off the ground and away from walls to prevent moisture absorption.
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In which countries is VC-IP recognized as a legal whitening active ingredient?
VC-IP has been officially listed as a legal whitening active ingredient in Japan, South Korea, and Taiwan, China — reflecting its well-established safety and efficacy profile in the cosmetic industry.