- Shipping & Returns
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
1. It is not easy for color variation. It ameliorates the stability of kojic acid in color.
Recommendatory volume of usage for cosmetic product: 0.02-0.10%
* 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.