Tetrahydrocurcumin - a natural functional whitening ingredient

Tetrahydrocurcumin - a natural functional whitening ingredient

Tetrahydrocurcumin is a natural functional whitening raw material, which is hydrogenated from curcumin isolated from the roots and stems of the ginger plant Curcuma longa.

Introduction to raw materials:

Chinese name: tetrahydrocurcumin

Foreign name: Tetrahydrocurcuminoids

CAS number: 36062-04-1

Specification and model: 95%, 98%

Molecular formula: C21H24O6

Molecular weight: 372.2

purpose:

Due to its strong inhibitory activity against tyrosinase, the whitening effect of this product is superior to that of arbutin; It can effectively inhibit the generation of oxygen free radicals and clear the already formed free radicals, and has significant antioxidant effects, such as anti-aging, repairing, lightening pigments, and removing spots on human skin; This product is widely used in various skin care products, such as cream, lotion and essence products, such as whitening, freckle removing and antioxidant.

It has been used as new pharmaceutical raw materials and intermediates due to its antioxidant, anti-tumor and anti atherosclerosis effects; Using it as a food additive is another new benefit of this product.

This product is obtained by hydrogenation of curcumin, which is isolated from the roots and stems of the ginger plant Curcuma longa. It is also synthesized through chemical pathways.

As a beginner in whitening ingredients, tetrahydrocurcumin has the following skincare effects:

1. Whitening

Tetrahydrocurcumin can effectively inhibit tyrosinase, slow down melanin production, and is more effective than whitening agents such as kojic acid, arbutin, and vitamin C. Meanwhile, the strong antioxidant activity of tetrahydrocurcumin can also delay the generation of melanin, thereby brightening skin tone and achieving whitening effects. A foreign study randomly conducted a double-blind placebo controlled trial on 50 subjects. The researchers found that in the whitening formula, 0.25% tetrahydrocurcumin face cream was more effective and safer than 4% hydroquinone (a skin bleaching agent prohibited in cosmetics) face cream.

2. Antioxidant

Free radicals on the surface of the skin are generated by UV rays, chemicals, or other stress factors that catalyze skin aging.

Tetrahydrocurcumin can scavenge free radicals, thereby preventing the formation of free radicals. In addition, tetrahydrocurcumin can also inhibit the proliferation of free radicals, inhibit fat oxidation, and can be added as a natural antioxidant in formulas to extend the shelf life of cosmetics.

3. Anti inflammation

Tetrahydrocurcumin has a broad-spectrum anti-inflammatory and antibacterial effect, which can repair skin inflammation and damage caused by UVB, and can more effectively relieve pain and swelling. It has a significant effect on the treatment of mild burns, skin inflammation, and acne scars.

The combination of anti-inflammatory effects and efficient antioxidant effects of tetrahydrocurcumin makes it an effective ingredient in anti-aging and whitening cosmetics.

The following is a cosmetic formula guide for tetrahydrocurcumin:

When equipping cosmetics, use stainless steel containers to avoid contact with metals such as iron and copper;

Dissolve with solvent first, then add to the emulsion at 40 ℃ (104 ° F) or lower temperature;

The pH value of the formula is recommended to be weakly acidic, preferably between 5.0-6.5;

Stable in 0.1M phosphate buffer solution;

Thickeners such as carbomer and lecithin can be used to gel tetrahydrocurcumin;

It is suitable for preparing into skin care products such as face cream, gel and lotion;

It can be added as a preservative and light stabilizer in cosmetic formulas, with a recommended dosage of 0.1-1%;

Dissolved in ethoxydiethylene glycol (a penetration promoting agent); Partially soluble in isosorbide and ethanol; Dissolve in propylene glycol in a 1:8 ratio at 40 ° C; Dissolve in polysorbitol ester in a 1:4 ratio at 40 ° C; Insoluble in glycerol and water.

The amount of tetrahydrocurcumin added to cosmetics

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