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Main Uses Whitening and anti-Freckle
CAS Number: 36062-04-1
Molecular Formula: C21H24O6
Molecular Weight: 372.415
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Synonyms: 1,7-bis(4-hydroxy-3-methoxy-phenyl)heptane-3,5-dione, tetrahydrocurcuminoids;
Production Standard: Enterprise Standard
Packing Size: 25kg /Drum, 1kg /Bags, 100g/bag



Product information

Appearance and Properties:

White or milky powder, insoluble in water and glycerin, slightly soluble in ethanol.

Usage and Dosage:

0.1%-1.0%, The pH value can be controlled at 6-7, which can be combined with Glabridin for a better effect.

Technical Specifications:

Product Name Tetrahydrocurcumin (CAS No.: 36062-04-1)
Items Specifications Results
Assay(HPLC) ≥ 95.0% 96.2%
Appearance Off-white to light-yellow crystalline powder Off-white powder
Solubility Soluble in ethanol Conform
Melting point 91~98℃ 96~98℃
Particle size 100% pass 80 mesh Conform
Loss on drying ≤ 1% 0.33%
Residue on ignition ≤1% 0.12%
Heavy Metal < 10ppm < 10ppm
Residual Pesticides Negative Negative
Microbiology Total aerobic microbial < 200 cfu/g
Yeast & Moulds < 100 cfu/g
E.Coli : Negative
Salmonella : Negative
Staphylococcus aureus : Negative
Storage Store in cool & dry place, keep away from strong light and heat
Conclusion It comply with Enterprise specification

Description and Application:

Tetrahydrocurcumin not only has the strongest tyrosinase inhibitory activity, but also has excellent chemical stability, which overcomes the defect that the chemical instability of common turmeric extract is easy to stain the skin. The common turmeric extract is yellow, has poor chemical stability, is photosensitive, and easily reacts with the skin under light to stain the skin. Therefore, color is an important indicator for measuring the quality of Tetrahydrocurcumin, and the Tetrahydrocurcumin used for whitening cosmetics is white or off-white. Safety test shows that it has no side effects on human skin without any stimulation and sensitization, and can safely and effectively exert the functions of natural whitening and yellowing. When used as whitening and anti-aging anti-oxidant product and a light after-sun repair product, it can be used in combination with Glabridin for better results;

More Information:

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Biotain Pharma Co., Limited is a professional and reliable manufacturer and supplier of Cosmetic Ingredients . Our products have sold to Australia, European and American countries. Like the skin care Ingredients Hexamidine diisethionate , Tetrahydrocurcumin and Caprylhydroxamic Acid , our Cosmetic Ingredients comply with the USP/EP/BP/JP standard specification.

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