Tetrahydrocurcumin (THC) is a colorless hydrogenated product derived from curcuminoids, the biologically active principles from the rhizomes of Curcuma longa. It functions as an efficient antioxidant compound used for skin whitening. THC offers protection to the skin and should be considered for inclusion as functional antioxidants in topical preparations.
{"Antioxidant": "THC scavenges free radicals that are generated through exposure to ultraviolet radiation, chemicals, or other environmental stress factors which age the skin.", "Anti-inflammatory": "The anti-inflammatory effects of THC combined with their efficient antioxidant action render them useful as ingredients in anti-aging formulations, skin lightening and brightening products, and topical formulations designed to maintain general skin health and integrity.", "Skin Lightening": "THC inhibits tyrosinase, which inhibits the skin from producing melanin. This product is color-free, unlike the brilliant yellow color of other turmeric extracts and can be used in anti-aging, skin lightening, and sun care and after sun care formulations.", "UVB Protection": "THC offer protection to the skin against UVB radiation.", "Shelf Life Improvement": "THC helps to improve the shelf life of topical formulations by inhibiting the autoxidation of fats by offering protection against rancidity of the fat components used in the formulation of cosmetics.", "Wound Repairing": "Tetrahydrocurcumin is demonstrated to promote the production of transforming growth factor- beta (TGF-beta), collagen and the regeneration of epidermal cells."}
All skin types
SabiWhite® Tetrahydrocurcumin 96% is safe for topical use with no irritant or sensitization side effects.
Avoid contact with metals, such as iron and copper; Dissolve first using a solvent, then add to emulsion at 40°C or lower temperature; The pH of the formulation is recommended to be slightly acidic, preferably between 5.0 and 6.5; Tetrahydrocurcumin is very stable in 0.1M phosphate buffer; Tetrahydrocurcumin can be gelled by using thickeners including carbomer, lecithin; Suitable for preparation into skin care products such as creams, gels and lotions; Act as preservative and photo-stabilizers in cosmetic formulations; the recommended dosage is 0.1-1%; Dissolve in ethoxydiglycol (a penetration enhancer); partially soluble in ethanol and isosorbide; soluble in propylene glycol at a ratio of 1:8 at 40°C; insoluble in water and glycerin.
Tetrahydrocurcuminoids (THC) are derived from curcuminoids (extracted from the roots of curcuma longa, commonly known as turmeric root).
The Cosmetics Database has not evaluated Tetrahydrocurcumin, although it does note that it has no known hazards in other evaluations of products containing this ingredient in their formulas.
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The efficacy of Curcuminoids and THC is also concentration dependent, with THC being even more effective at lower concentrations.
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