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Cosmetic Skin Care Hyaluronic Acid Middle Molecular Weight From China Factory

Cosmetic Skin Care Hyaluronic Acid Middle Molecular Weight From China Factory

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Cosmetic Skin Care Hyaluronic Acid Middle Molecular Weight from China Factory



Hyaluronic acid is a high molecular weight polysaccharide with D- glucuronic acid and N-acetyl-glucosamine as repeating structure unit. Because of the action of hydrogen bond between the monosaccharide in HA linear axle, HA molecular forms a rigid screw column structure in space. Strong hydrophilic properties exist due to the large amount of hydroxyl groups. Furthermore, HA has a special water binding function and binds its water very strongly, so that it has strong water retention. Theoretically its binding water capacity is up to 500 ml/g as an ideal natural moisturizing factor.


1. Reliable and safe: Our Cosmetics Grade Hyaluronic Acid is Ecocert certificated and our production is strictly managed according to ISO 9001 and GMP standards. It is all fermented products, non-animal sources, non-GMO and non-BSE/TSE risk.

2. High-purity and lower impurities: higher glucuronic acid content, lower protein, heavy metals and nucleic acid content, compared with other cosmetics grade hyaluronic acid in the market.

3. Different molecular weight ranges to meet different customers' needs.

Hyaluronic acid in dry climates

"there is a controversy whether concentrated HA formulas should be used as a moisturizer in dry climate. When air humidity is very low, HA may preferentially pull water from the skin rather than from the air, thus producing the opposite effect."


To properly use a hyaluronic acid serum, it needs to be applied onto damp skin and then "sealed" in with a layer of a good moisturizer on top. If applying the hyaluronic acid in this manner still makes your skin feel a bit dry or taut, the hyaluronic acid is probably pulling moisture out of your skin instead of pulling moisture from the air and into your skin.


Note that the combination of Niacinamide and Glucosamine has been proven to actually increase Hyaluronic acid synthesis in the skin, thereby moisturizing from the inside, rather than putting moisture on top of the skin.


Hyaluronic acid as a function of raw material is widely used in cosmetics:

1. Moisturizing and film-forming properties

2. Anti-Wrinkles

3. Anti-Irritation

4. Nutrition delivery

5. Free radical scavenging

Technical Standards




White powder

Glucuronic Acid

≥ 44%

Sodium Hyaluronate

≥ 91%

Appearance of Solution

A600nm≤ 0.01

Nucleic Acid

A260nm≤ 0.5



Molecular Weight

0.8-1.5 Million Da.

1.5-1.8 Million Da.

8000-15000 Da.



Loss on drying


Residue on Ignition

≤20.0 %


≤ 0.5%


≤ 80ppm

Heavy metal




Bacteria Count


Molds & Yeast


Staphylococcus aureus


Pseudomonas aeruginosa




Viable Hemolytical Streptococci