HQE

benzene-1,4-diol

Find entries where: HQE

is present as a standalone ligand in 7 entries

as a non-polymer is covalently linked to polymer or other heterogen groups 3 entries

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Chemical Component Summary
Name	benzene-1,4-diol
Identifiers	benzene-1,4-diol
Formula	C₆ H₆ O₂
Molecular Weight	110.11
Type	NON-POLYMER
Isomeric SMILES	c1cc(ccc1O)O
InChI	InChI=1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
InChIKey	QIGBRXMKCJKVMJ-UHFFFAOYSA-N

Chemical Details
Formal Charge	0
Atom Count	14
Chiral Atom Count	0
Bond Count	14
Aromatic Bond Count	6

Drug Info: DrugBank

DrugBank ID	DB09526
Name	Hydroquinone
Groups	approved investigational
Description	Hydroquinone is a topical lightening product found in OTC products, and is used to correct skin discoloration associated with disorders of hyperpigmentation including melasma, post-inflammatory hyperpigmention, sunspots, and freckles. It can be used alone, but is more frequently found in combination with other agents such as alpha-hydroxy acids, corticosteroids, retinoids, or sunscreen. Hydroquinone has come under scrutiny due to several complications associated with its use, including dermal irritation, exogenous onchronosis, and carginogenicity. As a result of these concerns, hydroquinone has been banned in the EU and UK.
Synonyms	1,4-benzenediol p-Hydroquinone 4-Hydroxyphenol p-Benzenediol benzene-1,4-diol Quinol p-hydroxyphenol 1,4-dihydroxybenzene Hydroquinone
Brand Names	Topiclear Xtra lemon beauty Condition and Enhance System Travel-size Surgical Ultraquin 4% Hydroquinone Cream With Sunscreens Hydroquinone 8%. OLIVIA QUIDO FIRM and FADE I Continuum Unifying Lotion I Ultra Glow Skin Tone Cream for Normal Skin Fade Dark Spots Daytime Treatment LumaSilk Emulsion Level 02 Obagi Medical - Nu-Derm System - Normal to Dry - Skin Transformation Trial Kit Nuderm Sunfader Topiclear SH18 Skin Lightening Condition and Enhance System Travel-size Non-surgical Skin Lightening Treatment Ultra Glow Skin Tone Cream Oily Skin Aloe Vera Spotfade Dark Spot Wand Obagi - C Artra Skin Tone for Oily Skin ZO Skin Health Pigment Control Creme Hydroquinone NU-DERM BLENDER Skin Lightener and Blending Dual Action Skin Lightener Nadinola Skin Fade for Normal Skin Seequin 2 SH18 Caviar Beauty Desoximetasone 0.05% / Hydroquinone 6% / Tretinoin 0.05% Clairissime Clear Complexion Lotion 141061 Hydrocortisone 0.5% / Hydroquinone 8% / Tretinoin 0.025% Dermisa Skin Fade Zarina Skin Lightening Cream With Sunscreening Filter Idole Beauty Proactiv Skin Lightening 141030 Hydroquinone 8% Idole Natural Organic Skin Lightening Topiclear Paris eB5 Age Sport Formula Bright Malika and Khadija Brightening Spot Treatment Ultra-Potent Brightening Serum 141060 Hydrocortisone 0.5% / Hydroquinone 4% / Tretinoin 0.025% Hydroquinone 4% Daily Fade Maximum Strength SPF15 Corrector 2 Light The Way Porcelana Day Skin Lightening Nuquin Hp Esoterica Unscented Divine Derrier Skin Bleaching cream Skin Lightening Complex Black and White Skin Bleach Borba Age Defying Skin Lightening Spot Treatment Total White Brightening OBAGI-C Rx system C-CLARIFYING SERUM NORMAL TO oily SKIN LIGHTENING SERUM WITH VITAMIN C Skin Lightening Cream REVERSE Lightening Regimen for the Appearance of Stubborn Dark Marks, Patches and Age Spots Exuviance Intense Lightening Complex ZO Skin Health Pigment Control plus Brightening Creme Hydroquinone plus Vitamin C Gold Cosmetics Adi Clear Aclaro Hydroquinone Fade Away Extra Care Porcelana Medicated Fade Crm Sunscreen Fmla Hydrocortisone 1% / Hydroquinone 8% / Tretinoin 0.05% Nu-derm Travel Set Normal/dry Skin Transformation System Porcelana Skin Lightening Daytime Protection Nu-derm System Normal-oily Skin Transformation Trial Palmer's Skin Success Fade Cream-for Dry Skn ELASTIDERM DECOLLETAGE SKIN LIGHTENING COMPLEX Chest and Neck Dr. Throwers Pbc No. 1 Teatrical Skin Lightening Skin Lightener Ambi Skincare Normal Skin Fade Hydroquinone 8% / Tretinoin 0.025% Hydroquinone 5% / Tretinoin 0.025% / Triamcinolone Acetonide 0.025% Lumipearl Dark Mark Corrector Melquin 3 OBAGI C RX system C CLARIFYING SERUM Superlightener Movate Skin Lightening Lemon NEXT GENERATION Correct Brightening Serum Balancer Othine Skin Bleach Hqra-otc Nu-derm Starter Set Normal-dry Skin Transformation System LumaSilk Emulsion Level 03 Clear Essence Skin Lightening Gel Hydroquinone Time Release Dermaclair Skin Lightening Porcelana Night Skin Lightening Hydrocortisone 0.5% / Hydroquinone 6% Sledgehammer Unblemish Regimen for Acne and Post Acne Marks Gold Cosmetics Bleach Cream Forte Hydroquinone 6% CONDITION AND ENHANCE BLENDER Skin Lightener and Blending Sunvanish Obagi-C Rx System Normal-dry Skin Intervention Lustra-AF Obagi Medical - Nu-Derm System - Normal to Dry - Skin Transformation Kit Caro Light ZO Skin Health Multi-Therapy Hydroquinone System NU-DERM SUNFADER Skin Lightener with Sunscreen (SPF 15) PABA FREE MELAMIX Skin Lightener and Blending Metasol Skin Lightening Body Fade Creme Maximum Strength Fade Dark Spots Nighttime Treatment Hyaluronic Acid Sodium Salt 0.5% / Hydroquinone 4% / Tretinoin 0.05% AGELESS Total Skin Bleaching Serum Precious Beauty Skin Lightening Advanced Lightning Ultra Glow Skin Tone Cream Dry Skin Aloe Vera NU-DERM CLEAR Skin Bleaching and Corrector Teatrical Pro-Aclarant Skin Lightening Porcelana 24 Hour Skin Lightening Glytone Dark Spot Corrector Crusader Skin Lightening REVERS Lightening Regimen for the Appearance of Stubborn Dark Marks, Patches and Age Spots Travel Size Black Opal Advanced Dual Phase Fade Creme Hydroquinone 6% /tretinoin 0.05% Cenovia Movate Carrot Jouvence Crm 2% Unblemish Restoration Serum Epione 141017 Hydrocortisone 0.5% / Hydroquinone 6% / Tretinoin 0.025% Dr. Lightening Ultra-Potent Facial NU-DERM System NORMAL-Oily SKIN TRANSFORMATION Obagi Exence White Eldopaque Forte Crm 4% Hydrocortisone 0.5% / Hydroquinone 8% / Tretinoin 0.025% Glytone Skin Lightening Skin Lightener Esoterica Facial Cream Melpaque HP Hydroquinone 8% Nadinola Skin Fade for Oily Skin Esoterica Scented-fortified With Sunscreen AMBI Fade Normal Skin Hydroquinone Sh18 OBAGI-C RX system NORMAL-oily SKIN INTERVENTION Gold Cosmetics Bleach Cream Silver Nu-derm System Normal-oily Skin Transformation Proactiv Solution Dark Spot Corrector BEST Age Spot Remover Top White Active 4 Multi Complex Fade Tri-luma I-max Lightening 5 Cicatricure Skin Lightening Pharmaskincare Parfait Lightening Serum Skinprint Recover Lightening Complex with 2% Hydroquinone Topiclear Skin Lightening Clear-N-Smooth Conditioning Gel Skinprint ClearTone with 8% Hydroquinone Lightening HQ Spot 141011 Hydroquinone 6% Triderma African Formula Carrot Nadinola Skin Disc.fade Crm for Dry Skin 2% Vividly Brilliant Perfecting Clear Essence Advance Complex Fade Gel Skin Lightening Accelerator Pack Alphaquin HP Alumier MD Lightening PLEXADERM Dark Spot Fade Gel Ultra Glow Fade with Aloe Vera Topiclear Cocoa Butter Drula Fade Cream Extra-medicated Advanced Skin Lightening Cream gloTriple Action Serum Brighten Lightening Hydrocortisone 0.5% / Hydroquinone 6% / Tretinoin 0.025% EB5 Age Spot Treatment Esoterica Daytime with Sunscreen Idole Intense Dermisa Skin Fade Vitamin C infused Eldoquin Forte Pharmaskincare Serum Skin Lightening Clarite 4 Nadinola Skin Discoloration Fade Cream-S.C.f African Formula Skin Lightening Esoterica Regular Cream Nu-derm System Normal-dry Skin Transformation Trial Hyperpigmentation Treatment Pure Valley Miracle Age Spot Body Merry Lightening and Whitening Cream Piona Hydrocortisone 0.5% / Hydroquinone 4% / Tretinoin 0.025% Lustra Esoterica Daytime with Moisturizers and Sunscreen Eldoquin Dolly Intense Lightening Clear-N-Smooth PLUS Glytone Clarifying SunVanish with Sunscreen Hydroquinone 4% / Tretinoin 0.025% Ultra Glow Fade Dermisa Skin Fade Cream Condition and Enhance System Full-size Non-surgical Obagi-C Rx System Normal-oily Skin Intervention Movate Lemon AMBI Fade Oily Skin Hydroquinone 4% / Tretinoin 0.025% / Triamcinolone Acetonide 0.025% Black Opal Advance Dual Complex Fade Gel Seequin 4 Esoterica Sunscreen Fade Cream Banishing Cream Hyaluronic Acid Sodium Salt 1% / Hydroquinone 6% Clear-N-Smooth SuperMax Advanced Skin Lightening Serum ZO Skin Health Pigment Control Plus Blending Creme Hydroquinone Clear Action Corrector Light Unblemish Dermatologist Developed Spot Fading Toner OLIVIA QUIDO FIRM and FADE II Miracle Fade Topiclear Carrot Vantex Skin Bleaching Crm W Sunscreen 2% African Formula Black Rodan & Fields Proactiv Solution: Skin Lightening Lotion Epiquin Micro Hydrocortisone 0.5% / Hydroquinone 8% / Tretinoin 0.05% Porcelana Skin Lightening Nighttime Hydration Hydrocortisone 2.5% / Hydroquinone 4% / Tretinoin 0.025%, Ambi Fade Normal Skin PCA Skin Intensive Pigment Eraser Zo Medical Zo Multi-therapy Hydroquinone System Hydrocortisone 0.5% / Hydroquinone 6% / Tretinoin 0.05% Drula Fade Cream Superforte Medicated Skinprint ClearTone with 2% Hydroquinone Sunbalance Clear Essence Skin Lightening Milk Advanced Dual Complex Fade Maximum Strength Plus Olivia Quido Skincare Blemish Eraser Hydroquinone 6% / Tretinoin 0.05% / Triamcinolone 0.025% Lustra AF 141010 Hydroquinone 4% Topiclear Xtra beauty Obagi Nu-Derm Esoterica Unscented Fortified W.sun Screen Medisilke Night Recover Lightening Complex with 4% Hydroquinone Gold Cosmetics Bleach Cream SH18 Ultra Harmonie Carrot Beauty Derma Lightening Ambi Extra Skin Discoloration Fade Cream Pa Plus Advanced Dark Spot Correcting Serum eB5 Age Spot Formula Phaze 13 Light N' Block Pigment Cream Hydroquinone 8% / Tretinoin 0.025%. Lightener Pigment MELAMIN Skin Bleaching and Correcting Solaquin Forte SH 18 Whitening MELAMIN Skin Bleaching and Correcting Hydroquinone Crusader Ultra Skin Lightening Creme Blanchissante - Crm 2% Glytone SunVanish Skin Lightening Skinprint 3D Clear Peel Eldopaque Crm 2% Seequin 4 Ids Idole Skin Lightening Hqla 141067 Hydroquinone 8% Obagi Protocols Clear African Gold Skin Discoloration Fade Crm 2% Glytone Clarifying Palmer's Skin Success Fade Cream-for Oily Sk Meditowel Illuminating Skin Brightening Obagi-C Rx system C-Therapy Night Skin Lightening with Vitamins C and E Proactiv Advanced Dark Spot Correcting Serum Celazome Fade Shades Lightening Cream w/ Glycolic Acid Obagi Nu-Derm Sunfader Nadinola Skin Fade for Dry Skin Hydroquinone Skin Bleaching Agent Normal Skin Image MD Lightening Rx Drula Fade Cream Normal-medicated Enlighten Me ZO MEDICAL MELAMIN-C Skin Bleaching and Correcting with Vitamin C Hydroquinone Idole Black Hot Movate Rejuvaderm medispa fading Clear-N-Smooth Ultimate Activator Light Idole Lemon Even Tone Night Treatment 141055 Hydroquinone 6% Ultraplus Skin Lightening Cream - 2% Ultra Glow Skin Tone Cream Normal Skin Aloe Vera Topiclear Lemon Movate Skin Lightening Corrector 4 OBAGI-C RX System NORMAL-DRY SKIN INTERVENTION AMBI Skincare Oily Skin Fade Metasol Perrigo Hydroquinone with sunscreens SLMD Skincare by Sandra Lee, M.D. - Dark Spot Fix Dermablend Advanced Fade Cream With Sunscreen and Moisturizing Aha NU-DERM system NORMAL-DRY SKIN TRANSFORMATION TRIAL NeoStrata HQ Skin Lightening Hydro-Q Meaningful Beauty Dark Spot Correcting Treatment Essential Fade Complex Accelerated Dark Spot Corrector NU-DERM system NORMAL-oily SKIN TRANSFORMATION TRIAL Nadinola Skin Disc.fade Crm for Oily Skin 2% Porcelana Medicated Fade Cream - Orig. Fmla Fading Fluid Dermablend Chromatone Fade Cream With Sunscreen Differin Dark Spot Correcting Serum MD Acne Medicated Dark Spot Remover Skin Beautifying Milk Idole Carrot SYMBA Skin Lightening Double White Glyquin Xm Idole Natural Organic Hydroquinone Skin Bleaching Agent Oily Skin Neostrata Hq Plus Lightening Cream Ambi Fade Oily Skin CONDITION AND ENHANCE CLEAR Skin Bleaching and Corrector Neostrata Canada Hq Plus Cream Hydroquinone cream Erfa Hydroquinone Clear-N-Smooth UltraMax Glytone skin bleaching fading Drula Fade Cream Medium-medicated Topiclear Paris Beauty Scarlight MD EpiQuin Micro Palmer's Skin Success Fade Cream-normal Skin Nadinola Skin FadeExtra Clear Essence Medicated Fade Cream Artra Skin Tone for Normal Skin New York Fair and Lovely I-max Lightening L Ultra Glow Skin Tone Cream for Oily Skin Aclaro PD Hydroquinone Nu-derm System Normal-dry Skin Transformation Melquin Hp Nova Complex HQ Olivia Quido Blemish Eraser Fair and White Medicated Fade Creme with Sunscreen Artra Skin Tone for Dry Skin Hydroquinone with sunscreens ZO Skin Health Pigment Control Program Plus Hydroquinone Viquin Forte With Moisturizing Aha - Crm Topiclear Cocoa Butter beauty HQ Plus Brightening Cream VI Derm Neova Complex HQ Plus 141016 Hydrocortisone 0.5% / Hydroquinone 4% / Tretinoin 0.025% Skin Lightening Rodan Fields Clear-N-Smooth Super-Ultimate Esoterica Nighttime with Moisturizers Dark Spot Lightening Cream Nu-derm Starter Set Normal-oily Skin Transformation System Rodan and Fields Skin Lightening Treatment Continuum Unifying Lotion II NeoCeuticals Post Acne Fade Solaquin Top White Skin Lightening Dr. Throwers Skin Lightening Moisturizing
Indication	Hydroquinone is used as an OTC topical lightening agent for disorders of hyperpigmentation including melasma, post-inflammatory hyperpigmention, sunspots and freckles.
Categories	Antioxidants Benzene Derivatives Biological Factors Compounds used in a research, industrial, or household setting Depigmenting Agents Dermatologicals Melanin Synthesis Inhibitor Melanin Synthesis Inhibitors Mutagens Noxae Phenols Protective Agents Radiation-Protective Agents Toxic Actions
ATC-Code	D11AX11
CAS number	123-31-9

Drug Targets

Name	Target Sequence	Pharmacological Action	Actions
Tyrosinase	MLLAVLYCLLWSFQTSAGHFPRACVSSKNLMEKECCPPWSGDRSPCGQLS...	unknown	inhibitor
Cysteinyl leukotriene receptor 1	MDETGNLTVSSATCHDTIDDFRNQVYSTLYSMISVVGFFGNGFVLYVLIK...	unknown	activator
Lysosomal alpha-glucosidase	MGVRHPPCSHRLLAVCALVSLATAALLGHILLHDFLLVPRELSGSSPVLE...	unknown	product of
Serum albumin	MKWVTFISLLFLFSSAYSRGVFRRDAHKSEVAHRFKDLGEENFKALVLIA...	unknown

Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682