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Famous Suppliers - Glutathione – Y&R
Glutathione (GSH), also named Reduced Glutathione, is a tripeptide composed of glutamate, cysteine, and glycine. It can be found in almost every cell of human body. Nowadays, the industrial production of Glutathione is mainly obtained by enzymatic synthesis. In the method, Glutathione has a high purity and good water-solubility. As an active tripeptide with important physiological functions, Glutathione is the most important non-protein sulfhydryl compound in organisms. It has biological acti... -
Famous Suppliers - Sodium Hyaluronate – Y&R
The Chemical View on Hyaluronans Hyaluroan family is composed by a wide group of different molecular weight,the basilar unit of the polymer is disaccharide of β(1,4)-glucuronic acid-β(1,3)-N-Acetalglucosamine.It is part of the glycosaminoglycan family. Hyaluronan is a stable molecule,with good flexibility and exceptional rheological properties.In vivo it is produced by hyaluronan synthase enzymes starting from activated nucleotide sugars(UDP-Glucuronic acid and UDP-N-Acetylglucosamine) and de... -
High Quality - Polyquaternium-1 – Y&R
Polyquaternium-1 is a detergent-type preservative derived from BAK,also named as Polidronium Chloride,PQ-1.Polyquaternium-1 is formulated in the mid of 1980s by Alcon as a preservative for contact lens storage solutions.Nowadays,it is being increasingly used as a presverative in ophthalmic drops for glaucoma, artificial tear solutions and top cosmetic formuations. Polyquaternium-1 is a cationic polymer prepared by the controlled polymerization of dimethylamine and bis-dichlorobutene, end capp... -
China Wholesale - Poly(Methylvinylether/Maleic Acid)Copolymer – Y&R
These polymers are free acid form of the copolymer of Methylvinyl ether and Maleic Anhdride,in liquid form.Avalilable in a range of Molecular weights with tunable rheological properties.Those polymers soluble in water,serve as excellent film formers and bioadhesive/mucosal adhesives. Key Technical Parameters of Solution Form: Types YR-VM/MASP13 YR-VM/MASP70 YR-VM/MASP125 YR-VM/MASP250 Appearance Slightly hazy viscous liquid pH Value(5% in water) 1.5~2.5 1.5~2.5 1.5~2.5 1.5~2.5 Acti... -
High Quality - Sodium Ascorbyl Phosphate – Y&R
Sodium Ascorbyl Phosphate derivative of vitamin C, vitamin C is based on modern science and technology for the processing of raw materials made using this product, whether orally or absorbed through the skin into the body, can rapidly digested by phosphatase to free vitamin C , vitamin C play unique physiological and biochemical functions.Sodium Phosphate Vitamin C Vitamin C has all the effectiveness of both. Vitamin C also overcome sensitive to light, heat and metal ions, easily oxidized sh... -
Good Quality - 2-Pyrrolidone – Y&R
2-Pyrrolidone is colorless to yellowish,clear liquid(above 25℃),it’s soluble in water or organic solvents with chemical stability and non-corrosiveness character. melting point at 24.6℃,boiling point at 245℃,flashing point at 129.4℃. Key Technical Parameters: Appearance @25℃ Clear to colorless liquid Purity 99.0% min. Moisture 0.1% max. Gamma Butyrolactone 0.1% max. 1,4-Butanediol 0.1% max. Color(APHA) 25 max. Applica... -
Famous Suppliers - Anhydrous Lanolin BP Grade – Y&R
Lanolin is a pale yellow, tenacious, unctuous substance obtained from the wool of sheep, having a faint characteristic odor.Lanolin is classified chemically as a wax, being a complex mixture of naturally occurring esters and polyesters of 33 high molecular weight alcohols (principally sterols) and 36 fatty acids comprise an approximately 50/50 ratio.Lanolin is an extremely effective emollient in restoring and maintaining the all important hydration(moisture balance) of the stratum corneum and... -
Top Suppliers - Hydrolyzed Keratin – Y&R
Hydrolyzed Keratin is 100% natural source(feathers),excellent solubility,high stability,free of preservatives.Keratin refers to a family of fibrous structural proteins. Keratin is the key structural material making up the outer layer of human skin. It is also the key structural component of hair and nails. Keratin monomers assemble into bundles to form intermediate filaments, which are tough and insoluble and form strong unmineralized tissues found in reptiles, birds, amphibians, and mammals.... -
China Wholesale - Quality Inspection for Vitamin C Magnesium Phosphate - Carbomer 980 – Y&R – Y&R
Carbomer 980 polymer is a crosslinked polyacrylate polymer and offers performance properties similar to the industry standard Carbomer 940,sometimes preferred since it is polymerized in a cosolvent system. Technical Parameters: Appearance White Powder,fluffy Odor Slightly Acetic Viscosity 0.2% Neutralized Solution 13,000-30,000 0.5% Neutralized Solution 40,000~60,000 Water Content 2.0% max. Solid Content 98.0% min. Heavy Metals 10 ppm max. Residue Solvents 0.5% max. Appli... -
Best Quality - PVP K Series – Y&R
Polyvinylpyrrolidone(PVP) are existing as powder and water solution form,and being supplied in a wide molecular weight range,easily dissolve in water,alcohol and other organic solvents,highly hygroscopicity,excellent film-forming capacity,adhesiveness and chemical stability,none toxicity.Cosmetic Grade PVP are widely used in hair care,skin care and oral care products,especially for hair styling products.In view of it’s wide molecular weight range,from the low molecular weight to high molecul... -
Professional China - Povidone – Y&R
Povidone is homopolymer of 1-vinyl-2-pyrrolidone (Polyvinylpyrrolidone),freely soluble in water,in ethanol (96%),in methanol,and other organic solvents,veryslightly soluble in acetone.It’s a hygroscopic polymer ,supplied in white or creamy white powder or flakes,ranging from low to high viscosity & low to high molecular weight,which characterized by K Value,with excellent hygroscopisty,film-forming,adhesive,chemical stability and toxicological safeness characters. Key Technical Parameters... -
Best Quality - Glutathione – Y&R
Glutathione (GSH), also named Reduced Glutathione, is a tripeptide composed of glutamate, cysteine, and glycine. It can be found in almost every cell of human body. Nowadays, the industrial production of Glutathione is mainly obtained by enzymatic synthesis. In the method, Glutathione has a high purity and good water-solubility. As an active tripeptide with important physiological functions, Glutathione is the most important non-protein sulfhydryl compound in organisms. It has biological acti...
