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Ascorbyl Tetraisopalmitate CAS 183476-82-6 - Top Quality Suppliers & 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
Samples: Free samples are available.
Ascorbyl Tetraisopalmitate is a premium antioxidant derived from vitamin C, widely used in cosmetics and skincare products to enhance stability and skin benefits. We are a leading supplier and manufacturer in China, offering high-quality Ascorbyl Tetraisopalmitate directly from our factory. Our commitment to excellence ensures that you receive the best products for your needs. Contact us today for more information and to request 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.
📏 Recommended Dosage: 0.1%–2.0% is recommended for resident products (face cream, essence). The CIR assessment of the United States believes that the concentration not higher than 4% is 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
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1kg / 5kg / 20kg / 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 (FAQ)
❓ What is VC-IP and how does it differ from regular Vitamin C?
VC-IP (Ascorbyl Tetraisopalmitate) is an oil-soluble form of Vitamin C. Unlike water-soluble Vitamin C, VC-IP has a transdermal absorption rate 16.5 times higher, allowing it to penetrate the stratum corneum more effectively and be converted into active Vitamin C by skin enzymes for sustained efficacy.
❓ Is VC-IP suitable for sensitive skin?
Yes. VC-IP has an extremely low irritation risk factor of only 1, making it suitable for all skin types including sensitive skin and skin that is intolerant to niacinamide. No tolerance-building period is required before use.
❓ What is the recommended usage concentration of VC-IP in skincare formulations?
For leave-on products such as face creams and essences, a concentration of 0.1%–2.0% is recommended. The U.S. CIR assessment confirms concentrations up to 4% are safe. For rinse-off products like cleansers and shampoos, it is advised not to exceed 0.05%.
❓ Can VC-IP be combined with other active ingredients?
Yes. VC-IP has excellent formula compatibility. It can be effectively combined with nicotinamide, vitamin E derivatives, peptides, and other actives to enhance overall product efficacy. Adding 0.1–0.3% tocopherol and disodium EDTA can further improve its stability in formulations.
❓ What packaging options are available for VC-IP?
VC-IP is available in 1kg, 5kg, and 20kg bottle packaging options to accommodate different production scales and requirements.
❓ What are the proper storage conditions for VC-IP?
VC-IP should be stored in a cool, dry, and well-ventilated environment, away from direct light and sealed tightly. It must be kept away from strong acids, alkalis, and oxidants, and should not be stored alongside odorous or volatile chemicals. Containers should be kept off the ground and away from walls to prevent moisture exposure.