5 results about "Depigmenting agents" patented technology

The present invention relates to a whitening composition comprising a whitening effective amount of a compound of formula (I) wherein R1, R2, R3, R4, R5, R6, R7, m and n are as defined in the description and in the claims, or a tautomer, stereoisomer, hydrate, solvate, salt or polymorph thereof. The invention also relates to a compound of formula (I2) or a tautomer, a stereoisomer, a hydrate, a solvate, a salt or a polymorph thereof, wherein R1, R2, R3, R4, R5, R6 and R7 are as defined in the description and the claims. The invention also relates to the use of at least one compound of formula (I) or any subset thereof or a mixture thereof as a decolorizing agent. The invention also relates to the use of at least one compound of formula (I) or any subset thereof or a whitening composition for preventing and / or reducing normal skin pigmentation. The invention also relates to the use of at least one compound or a whitening composition according to a first aspect for reducing melanin content in melanocytes, reducing melanin synthesis, compromising melanin transport and / or compromising distribution of melanin in an upper layer of a substrate layer. (I) (I2)

The invention relates to an ottelia acuminata extract for repairing sensitive skin and a preparation method and application thereof, the preparation method comprises the following steps: mixing an ottelia acuminata raw material with water, and carrying out flash extraction to obtain a flash extraction solution; mixing the flash extraction solution with cellulase and papain, and performing enzymolysis treatment to obtain enzymatic hydrolysate; carrying out negative pressure heating reflux extraction treatment on the enzymatic hydrolysate to obtain extract liquor; and carrying out membrane filtration on the extract, and treating the filtrate with a decolorizing agent to obtain the ottelia acuminata extract. According to the method, the ottelia acuminata is extracted by adopting flash extraction, composite enzymolysis and negative pressure heating reflux extraction in sequence, and the extracted product is purified by adopting membrane filtration and decolorizing agent treatment in sequence, so that the active ingredients in the ottelia acuminata can be extracted and enriched to the greatest extent, a specific active ingredient proportion mode is formed, and the purity of the ottelia acuminata is improved. All the components cooperate with one another and act together, so that the final product has excellent anti-inflammatory, soothing, barrier repairing, moisturizing and oil control effects.

The present invention relates to a nutritional and health care composition for oral administration, comprising an extract of Glycyrrhiza glabra L. and an extract of Olea eupaea L.. The nutritional and health care composition is characterized in that the nutritional and health care composition comprises an extract of Glycyrrhiza glabra L. and an extract of Olea eupaea L.. The formulations are suitable for use as skin decolorizing and bleaching agents and for controlling skin protein saccharification.

To provide a hair bleaching / decolorizing agent or a hair dye composition that allows reduced damage to cuticles.SOLUTION: The present invention provides a hair bleaching / decolorizing agent or a hair dye composition containing (A) acid and (B) at least one selected from carbonate and hydrogencarbonate.SELECTED DRAWING: None

The present invention relates to a whitening composition comprising a whitening effective amount of a compound of formula (I), or a tautomer, stereoisomer, hydrate, solvate, salt, or polymorph thereof, wherein R 1 、R 2 、R 3 、R 4 、R 5 、R 6 、R 7 、m and n are as defined in the specification and claims. The present invention also relates to a compound of formula (I2) or a tautomer, stereoisomer, hydrate, solvate, salt, or polymorph thereof, wherein R 1 、R 2 、R 3 、R 4 、R 5 、R 6 、and R 7 are as defined in the specification and claims. The present invention also relates to the use of at least one compound of formula (I) or any subgroup thereof, or a mixture thereof, as a depigmenting agent. The present invention also relates to the use of at least one compound of formula (I) or any subgroup thereof, or the use of a whitening composition, for preventing and / or reducing pigmentation of normal skin. The present invention also relates to the use of at least one compound, or the use of a whitening composition according to the first aspect, for reducing the amount of melanin in melanocytes, for reducing melanin synthesis, for impairing melanin transport, and / or for impairing the distribution of melanin in the upper basal layer. JPEG2026520910000038.jpg3191