Appearance : Colorless to pale yellow Oil Liquid
Odor : Faint, characteristic
Assay : 95%min, 98% Min
Color(APHA): 100 Max
Specific gravity : 0.930-0.943
Tetrahexyldecyl Ascorbate/THDA It is a stable, oil soluble form of Vitamin C. It is a slight to pale yellow liquid with a faint characteristic odor. It is very soluble in ethanol , hydrocarbons, esters and vegetable oils. It is insoluble in glycerin and butylene glycol.
Tetrahexyldecyl Ascorbate/THDA should be added into the oil phase at temperatures below 80ºC. It can be used in formulas with a pH range of 3 to 6. THDA can also be used at pH7 in combination with chelating agents or antioxidants (guidelines are offered). Use level is 0.5% - 3%.
Tetrahexyldecyl AscorbateTHDA is approved as a quasi-drug in Korea at 2%, and in Japan at 3%.
Product Function
Tetrahexyldecyl Ascorbate/THDA can improve appearance of aged and fragile skin. Widely used as add-on ingredient inskin-lightening products to corrects to correct hyperpigmentation and age spots.Antioxidant effect can be increased by combining L-ascorbic acid with L-ascorbicpalmitate and /or vitamin E. Does not give finished formulas a yellowish tint like-ascorbic acid
Whitening Agents Browse our wide selection active whitening ingredients
Abstract Skin whitening products are commercially available for cosmetic purposes in order to obtain a lighter skin appearance. They are also utilized for clinical treatment of pigmentary disorders such as melasma orpostinflammatory hyperpigmentation.
Whitening agents act at various levels of melanin production in the skin. Many of them are known as competitive inhibitors of tyrosinase, the key enzyme in melanogenesis.
Learn about our shipping methods for international cosmetic ingredients, plant extract and supplements orders. Our international carriers include FedEx, UPS, and DHL Express. Choose a shipping option that best fits your budget and needs. However, in some cases we reserve the right, without notice, to change the shipping service on your order due to high value. UPS will be switched to FedEx Ground and a signature upon delivery will be required. All orders are shipped from our warehouse in China.
International Shipping
We ship to over 150 countries worldwide and have over 4 years of experience dealing with international shipping documentation. Please note that shipping charges may vary from the amount indicated by the automatic shipping calculator since the weight calculated on the website may differ from the actual package weight due to the packaging material. There is no handling fee for all international orders.
Customs fees, VAT, or value added tax, and sales tax are typically charged by the government of your country and must be paid by the customer once the package arrives. We cannot determine what these fees will be. We recommend that you check with your local customs office or post office for details on how these charges are assessed and applied. For customs clearance, a customs broker is usually needed who may charge you a brokerage fee. Packages may be held up in customs for a few days and will delay delivery.
FedEx International Economy: delivers in five business days to more than 220 countries for packages up to 150 pounds. Includes tracking. Extra services include broker service and customs cleared service. Please provide your FedEx account number in the "Shipping Instructions" section of your order if you want to have it shipped on your account. The prepaid shipping cost will be refunded.
FedEx International Priority: delivers in one to three business days and two business days for major cities in Europe. This shipping option is available for more than 220 countries for packages up to 150 pounds. Includes tracking. Extra services include broker service, third party consignee, and customs cleared service. Please provide your FedEx account number in the "Shipping Instructions" section of your order if you want to have it shipped on your account. The prepaid shipping cost will be refunded.
Worldwide Expedited: offers customs-cleared, day-definite delivery to more than 220 countries and territories in two to five business days.
Worldwide Express: this service offers guaranteed delivery in 1-3 business days depending on the destination. Service is available in 185 countries and territories.
Worldwide Saver: offers guaranteed afternoon delivery in 1-3 days for your international shipments. Next business day delivery to Canada, two business days to Europe and Latin America, and two or three business days to Asia. Service is available in 215 countries.
DHL Express Worldwide: DHL offers exclusively express shipping services around the globe. Slower shipping services that take longer than four to five days are not available with DHL. The Express Service is a time-sensitive service with proactive delivery notification available on request. Delivers by the end of the next possible business day. Intercontinental shipments usually take three days.
01. How to contact with us?
Online service:by Trademanager, Skype,Email
You can choose your Interested products and send inquiry to us.
Call us without any hesitation.
02. How to confirm the products quality before placing orders?
We will offer you our products specification standard to you,and we test every batch of our product by HPLC.UV,GC AND TLC AND etc. We also cooperate with independent third party lab such as SGS,PONY etc.
FREE SAMPLES of some products can be sent on request,only need to pay the shipping cost or arrange a courier to us and take the samples. Send us your products specifications and requests, we will produce for you.
03. How to make order & payment?
We can accept payment by TT,WESTERN UNION,Escrow,Paypal,L/C
04. How to pack and storage?
Packing:1kg/Aluminium Floil bag with Carton outside. 25KG/Fiber drum with double PE BAGS INSIDE.
Storage:Store in cool & Dryplace,keep away from light and heat.
05. How to ship and delivery?
Transit could be DHL,UPS,TNT,FEDEX,EMS.For mass orders,it will be ship by air or sea.
06. Our reture service policy
We offer an full money back guarantee,if you are not 100% satisfied with our products,return all goods back to us within 60 days and we will fully refund your money.