Hydroquinone, also known as benzene-1,4-diol or quinol, is an aromatic organic compound that is a type of phenol, a derivative of benzene, having the chemical formula C 6 H 4 (OH) 2. It has two hydroxyl groups bonded to a benzene ring in a para position.
Hydroquinone is a chemical compound used for decades as a skin lightening agent, banned initially from cosmetics due to mid-term effects such as leucoderma/vitiligo or exogenous ochronosis.
PCA Peel® with Hydroquinone: With lactic, salicylic, kojic, and citric acids, this peel helps rejuvenate and improve the appearance of breakout-prone skin. It grants the wishes of every beauty product user by promoting an even skin tone and a clear complexion.
Members of the ecto-NOX family, such as CNOX, or ENOX1, are involved in plasma membrane transport pathways. These enzymes exhibit both a hydroquinone (NADH) oxidase activity and a protein disulfide-thiol interchange activity in series, with each activity cycling every 22 to 26 minutes (Scarlett et al., 2005 [PubMed 15882838]
Hydroquinone is a water-soluble reducing agent making it an excellent polymerization inhibitor for acrylates . It also finds use in topical skin creams and lotions for reducing the signs of age.
Dec 08, 2017· Hydroquinone 10% Cream: This high-strength cream is usually reserved only for the most severe pigmentation issues. Combining Ingredients at a Compounding Pharmacy Another benefit to obtaining a hydroquinone cream from a compound pharmacy is the ability to have multiple ingredients combined into one cream.
HYDROQUINONE is applied to the the skin to lighten areas that have darkened. Some products also contain sunscreens. The lowest GoodRx price for the most common version of hydroquinone is around $30.37, 58% off the average retail price of $74.03.
We studied triple combination of 4% hydroquinone, 0.05% Tretinoin and 0.1% mometasone furoate cream with glycolic acid peels, in the treatment of melasma. Ten patients with melasma on the face (two males and eight females), in the age group of 21-50 (mean age 27), with duration ranging from three months to seven years, were included in the study.
Hydroquinone. Hydroquinone, also known as benzene-1, 4-diol, is an aromatic organic compound which is a type of phenol, having the chemical formula C6H4 (OH)2. Its chemical structure has two hydroxyl groups bonded to a benzene ring in a para position. Hydroquinone is commonly used as a biomarker for benzene exposure.
Hydroquinone is a phenolic compound, which is naturally found in coffee, tea and wine. It is used in photographic, chemical and cosmetic industries. Hydroquinone is used as a skin lightening agent. It is topically applied to treat melisma, freckles and senile lentigines. Hydroquinone is linked to exogenous ochronosis, dermatitis and skin irritation.
Chemical Properties of Hydroquinone (CAS 123-31-9) ΔfH°gas: Enthalpy of formation at standard conditions (kJ/mol). ΔfH°solid: Solid phase enthalpy of formation at standard conditions (kJ/mol). ΔfusH°: Enthalpy of fusion at standard conditions (kJ/mol). ΔfusH: Enthalpy of fusion at a given temperature (kJ/mol). ΔsubH°: Enthalpy of sublimation at standard conditions (kJ/mol).
Hydroquinone, colourless, crystalline organic compound formed by chemical reduction of benzoquinone. See quinone. quinone. Quinone, any member of a class of cyclic organic compounds containing two carbonyl groups, > C = O, either adjacent or separated by a vinylene group, ―CH = CH―, in a six-membered unsaturated ring.
HYDROQUINONE is a slight explosion hazard when exposed to heat. Incompatible with strong oxidizing agents. Also incompatible with bases. It reacts with oxygen and sodium hydroxide. Reacts with ferric salts (NTP, 1992). Hot and/or concentrated NaOH can cause hydroquinone to decompose exothermically at elevated temperature. (NFPA Pub. 491M, 1975, 385)
Top 2 Best Hydroquinone Creams with 2% & 4% Concentration. 1. Zenmed Skin Correct+: #1 Hydroquinone Cream. Zenmed Skin Correct+ works best on post-acne discoloration, age spots, dark spots, and sun damage. This treatment helps in preventing dark spots, age spots, and sun damage.
According to cosmetic and plastic surgeon David Shafer, MD, FACS, "Hydroquinone is a chemical compound discovered in the early 1800s [and] was used in everything from skin care to photo developing.The chemical interacts with the melanin-producing cells in the skin, decreasing the production of pigment."
Hydroquinone is a skin lightener used in many whitening creams and dark mark fade treatments. It reduces the production of melanin in your skin, so it is great for fading hyperpigmentation, acne marks, sun spots, melasma, and other skin discoloration issues.
Toluquinol is a member of the class of hydroquinones that is hydroquinone in which one of the benzene hydrogens has been replaced by a methyl group. It has a role as an angiogenesis inhibitor, an anti-inflammatory agent and a Penicillium metabolite.
Hydroquinone | DermNet NZ
Hydroquinone and Chemical Burn. Hydroquinone is a skin medication. Uses: Our data suggest that some patients take Hydroquinone for Acne, Scars and Freckles, although this is not an approved use*. In addition, it is approved for Hyperpigmentation, Skin Lightening and Melasma.
Jul 01, 2019· For the Consumer. Applies to hydroquinone topical: topical combination cream, topical cream gel emulsion or solution. Side effects include: Mild skin irritation and sensitization (e.g., burning, erythema, stinging).
Hydroquinone Chemical Properties,Uses,Production Chemical Properties white needle-like crystals or crystalline powder Chemical Properties Hydroquinone, a colorless, hexagonal prism, has been reported to be a good antimitotic and tumor-inhibiting agent.
" I was perscribed a compound with 3 ingredients Hydroquinone the first year it seemed to help, the second year I got a chemical burn from it. UH! nothing seems to work. UH! nothing seems to work. I went to speak about lazer treatment and the woman said *oh you poor thing* like thank you for pointing my imperfections out :/.she told me lazer .
Hydroquinone (C₆H₄(OH)₂) is a light-tan, light-gray, or colorless crystal. Exposure to hydroquinone may cause irritation to the eyes and central nervous system. Workers may be harmed from exposure to hydroquinone. The level of exposure depends upon the dose, duration, and work being done. Hydroquinone is used in many industries.
Chemical name Concentration Additional identification Notes hydroquinone CAS-No.: 123-31-9 # * All concentrations are percent by weight unless ingredient is a gas.
Generic Eldoquin Forte. HYDROQUINONE is applied to the the skin to lighten areas that have darkened. Some products also contain sunscreens. The lowest GoodRx price for the most common version of hydroquinone is around $34.07, 55% off the average retail price of …
Mar 23, 2013· Hydroquinone is a carcinogen The chemical has been identified as both a potential clastogen and mutagen. A clastogen is a toxin that has the capability of cause breaks in chromosomes, cause sections of them to be destroyed, and to rearrange the sections and thus cause mutations which can lead to various types of cancer.
TRIPLE COMBINATION OF HYDROQUINONE, TRETINOIN AND MOMETASONE FUROATE WITH GLYCOLIC ACID PEELS IN MELASMA. Serial Glycolic acid peels were used at three weekly intervals, for two to six minutes, depending on tolerance and erythema. Glycolic acid of 57% with free acid of 55% and pH of 2.3 was used in gradually increasing duration of application on the face. Post peel care was …
Apr 16, 2018· Hydroquinone is a skin-lightening agent. It can lighten everything from freckles and acne scars to post-inflammatory marks caused by conditions like eczema.
Chemical Economics Handbook. Antioxidants, including p-phenylenediamines and substituted hydroquinones, are the largest application for hydroquinone, followed by polymerization inhibitors; these two applications account for 60% of world consumption. Both applications depend on production of several monomers (for plastics) and polymers,.