ENDOTHELIN ANTAGONISTS 99% purity 5grams/bag

ENDOTHELIN ANTAGONISTS 99% purity 5grams/bag

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Endothelin Antagonists is an additive of new category for lightening cosmetics. During the middle of 1990s the dermato-physiologists found that the keratoid cells of human skins would release endothelin after being irradiated by the ultraviolet rays, the endothelin is accepted by the receptor on the melanocyte membrane exciting the differantiation and proliferation of the melanocyte, and activating the activity of tyrosinase, then the amount of melanin is thus drastically increased. After Endothelin Antagonist having entered into the skins, it combines with the receptor of the melanocyte membrane to inhibit the influence exerted by endothelin toward melanin, so that an instant beautifying effect of high efficiency is indicated.


1. The natural product of high scientific technology: to process from natural products through
extraction, isolation and purification of high and new technology.
2. Non-poisonous, non-irritant and non-allergic.
3. Stable, light-resistant, heat-resistant, and no variation in the extent of pH 3¡« 9.
4. Molecular weight of the active matter under 1000, with good epidermal penetration quality.


1. It is not easy for color variation. It ameliorates the stability of kojic acid in color.
2. It restrains the activity of tyrosinase TRP-1, so the prevention or postponement of the melanogenesis is possible.
3.The product is stable under the condition of pH 3-10.



Pale yellow frozen dry powder

Content of nitrogen:

Not less than 10.0%


Free soluble in water


Recommendatory volume of usage for cosmetic product: 0.02-0.10%



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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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