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Ascorbyl Isostearate is an oil-soluble derivative of ascorbic acid. It hydrolyzes into ascorbic acid under the action of enzyme when absorbed into skin. It overcomes the deficiency of ascorbic acid which is easily oxidated and change colors.


1. Inhibit the formation of melanin: when it is absorbed into skin, it is decomposed into ascorbic acid under enzyme, which block the oxidation process during melanin formation.
2. Promote the synthesis of collagen, inhibit the oxidation of lipid, and has the action of anti-senility.
3. Anti-oxidation and eliminate oxygen free-radical
4. Good solubility: it is soluble in several oil-like compounds
5. It is acid-resistant and heat resistant, and is not easily to change color.



Light yellow oily liquid.

Relative density:

0.85-0.90(g/ml) (20°C )

Refractive index(n25D):


Heavy metals (Pb):

Less than 20ppm


Less than 2ppm


Recommendatory volume of usage: 1-10% in creams.


800g net plastic bottle

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* Delivery Time.
We need 1-2 days to process your order before shipping.There are two shipping methoed. Fast Delivery: The delivery time for US, European countries the delivery will take 3-5 days.Slow Delivery: The delivery time for US, European countries the delivery will take 10-15 days.
* Tracking information.
After we ship package, customer receive automatic email with tracking details.
* Lost Package Policy.
If a package did not arrive in 4 weeks after the shipping date, then this package is treated as Lost. In this case a new package will be shipped to the customer provided we are able to give the same items as those purchased by the customer. If we are not able to provide the same items to substitute the lost ones we will either propose to the customer similar items or refund their cost as it will be mutually agree with the customer. If one or more items neither the same nor similar are available to be shipped, the customer can request to cancel the order entirely, thus the total cost of the order including shipping and handling cost will be fully refunded.

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