Hyaluronic acid powder is a popular skincare ingredient that is derived from hyaluronic acid, a naturally occurring substance found in the human body. It is known for its ability to retain moisture in the skin, making it a sought-after ingredient in skincare products.
Hyaluronic acid is a glycosaminoglycan, a type of molecule that is found in connective tissues throughout the body, particularly in the skin, joints, and eyes. It has a unique ability to hold water, making it an effective humectant that can attract and retain moisture.
Nou gen anpil faktori-wo kalite ak gwo koperasyon, ki ka ba ou bon jan kalite pwodwi ak pri konpetitif. Epi nou ka bay tou rabè pou acha esansyèl. Epi nou kolabore ak anpil konpayi transpò machandiz pwofesyonèl, ka delivre pwodwi san danje epi san pwoblèm nan men ou. Tan livrezon se sou 3-20 jou apre konfimasyon peman an.
Items | Limits |
Description | white to off-white powder |
Infrared Absorption | The infred absorption spectnm should be consistent |
Sodium salt identifieation reaetion | Should show the positive reaction of sodium salt |
Molecular weight | 8.0 ~ 15.0 ×105Dalton(customizable) |
Intrinsie yiscosity walue | 17.2-23.6 |
Assay of Sodium Hyaluronate % | ≥92 |
Glycuronic acid % | ≥45 |
Panticle Size | 100% thru 80 Mesh |
Absorbance | ≤0.25 |
Loss on drying% | ≤10 |
Residue on Ignition(500-600°) | ≤20% |
PH (0. 1% Solution ) | 6.0 ~ 7.5 |
Bulk density g/ml | ≥0.6 |
Heavy Metal | ≤20ppm |
Lead (Pb) | ≤3ppm |
Arsenic (As) | ≤2ppm |
Cadmium | <2ppm |
Mercury (Hg) | ≤0. 1ppm |
Proteins % | ≤0. 1 |
Transparency%( 0. 1% Solution) | ≥98.5 |
Total Plate Count | ≤1000cfu/g |
Yeast and Mold | ≤100cfu/g |
Staphylococcus | Negatif |
Salmonèl | Neeative |
E.Coli | Neeative |
Storage Condition | Stored in cool and dry place |
1. Èske ou se yon faktori oswa yon konpayi komès?
Nou se yon konpayi entegre endistri ak komès, bay yon sèl-stop service.OEM ta ka aksepte.
2. ou bay echantiyon yo genyen? Èske li gratis oswa siplemantè?
Echantiyon gratis. Frè machandiz echantiyon an bezwen peye bò kote ou.
3. Èske ou gen nenpòt sètifika ki gen rapò ak kontwòl kalite?
ISO 9001:2008 sètifikasyon asire bon jan kalite.
4. Kisa mwen ta dwe bay pou jwenn yon sitasyon?
Pls enfòme nou sou kalite pwodwi ou bezwen, kantite lòd, adrès ak kondisyon espesifik yo.Y ap fè sitasyon an pou referans ou nan tan.
5. Ki kalite metòd peman ou pito? Ki kalite kondisyon yo aksepte?
Kondisyon livrezon yo aksepte: FOB, CFR, CIF, EXW;
Aksepte Peman Lajan:USD;
Kalite Peman Aksepte: T/T, Western Union; Paypal, asirans komès.
Lang pale: Angle.
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