research Characterization of Cutaneous Photoxicity Induced by Topical Alpha-Terthienyl and Ultraviolet A Radiation
Low-dose topical alpha-terthienyl may be a safer option for treating skin conditions with light therapy.
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research An ophthalmological and electroretinographic study of patients taking canthaxanthin and beta-carotene
Long-term use of canthaxanthin may cause reversible changes in the eye, including crystal deposits and altered vision responses.
research Graying of Hair Produced by Ingestion of Phenylthiocarbamide
Eating phenylthiocarbamide made all the rats' hair go gray, but some returned to their original color after stopping.
research Human Hair Follicle Benzo[a]pyrene and Benzo[a]pyrene 7,8-diol Metabolism: Effect of Exposure to a Coal Tar-Containing Shampoo
Coal tar shampoo increases enzyme activity in hair follicles, enhancing carcinogen binding to DNA.
research Preparation of 4-aryl-2-trifluoromethylbenzonitrile derivatives as androgen receptor antagonists for topical suppression of sebum production
Scientists made a chemical (compound 4e) that can be applied on skin to reduce oil production, which can help with acne, but it might cause skin sensitivity to light.
![Verification of the Major Metabolic Oxidation Path for the Naphthoyl Group in Chemoattractant Receptor-Homologous Molecule Expressed on Th2 Cells (CRTh2) Antagonist 2-(2-(1-Naphthoyl)-8-fluoro-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)acetic Acid (Setipiprant/ACT-129968)](/images/research/d743d32f-3115-48ff-9697-2f2d56130701/small/14175.jpg)
research Verification of the Major Metabolic Oxidation Path for the Naphthoyl Group in Chemoattractant Receptor-Homologous Molecule Expressed on Th2 Cells (CRTh2) Antagonist 2-(2-(1-Naphthoyl)-8-fluoro-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)acetic Acid (Setipiprant/ACT-129968)
The document confirms the structures of major metabolites of the CRTh2 antagonist Setipiprant and identifies minor metabolites.
research 4-(Alkylthio)- and 4-(arylthio)-benzonitrile derivatives as androgen receptor antagonists for the topical suppression of sebum production
Chemicals called 4-(alkylthio)- and 4-(arylthio)-benzonitrile derivatives can potentially reduce oil production on skin, which could help treat conditions like acne and hair loss.
research Synthesis of phenanthridin-3-one derivatives: Non-steroidal inhibitors of steroid 5-α-reductase
New chemicals were made that can block an enzyme linked to hair loss, prostate growth, and acne.
research α-Mangostin, a safe and natural product as a candidate skin-whitening agent
α-Mangostin can naturally lighten skin by reducing melanin.
research Carbobenzoxy-capped Phe-Lys(BODIPY TMR-X-acyloxymethyl ketone(QSY7)
Near-infrared probes can safely and effectively image cysteine protease activity for disease diagnosis.
research Isolation of dioctyl phthalate with high depigmenting effect from Chinese herb Nigella glandulifera Freyn
research Facile One-Pot Synthesis of Substituted Hydantoins from Carbamates
Scientists in India found a safer and efficient way to make a type of medicine called hydantoins from carbamates, which also worked well in making the seizure medicine, Ethotoin.
research Synthesis and biological evaluation of amino-pyridines as androgen receptor antagonists for stimulating hair growth and reducing sebum production
A compound made by Pfizer can potentially stimulate hair growth and reduce oil production, making it a good candidate for topical use.
research P-Phenylenediamine-Induced Angioedema-like Facies: A Case Report and Review of Pathomechanisms
Hair dye ingredient PPD can cause severe allergic reactions, including facial swelling.
![Synthesis, Biological Evaluation, and Molecular Docking of 4-Amino-2H-benzo[h]chromen-2-one Analogs Containing the Piperazine Moiety](/images/research/2ecf4eed-7dbe-4f1a-83db-739625546cdd/small/31808.jpg)
research Synthesis, biological evaluation and molecular docking of 4-Amino-2H-benzo[h]chromen-2-one (ABO) analogs containing the piperazine moiety
Analog 23 is a promising compound for prostate cancer treatment.
research Chemical Leukoderma from Hair Dye Containing para-Phenylenediamine
Hair dye with para-phenylenediamine can cause skin depigmentation.
research Metabolite screening of aromatic amine hair dyes usingin vitrohepatic models
The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
research Dyeing behaviours of amino heterocyclic compounds as blue oxidative hair dye precursors applied to keratin fibres
1,2,3,4-tetrahydroquinoline compounds are great for stable, pure blue hair dye.
research Promising protocol for in vivo experiments with betulin
A new method improves betulin delivery in experiments, showing promise against certain tumors.
research Gene expression profiling of human keratinocytes exposed to the hair-dying agent, m-aminophenol
m-Aminophenol in hair dye can cause skin cell toxicity and stress responses.
research Juniperus sabina L. as a Source of Podophyllotoxins: Extraction Optimization and Anticholinesterase Activities
Juniperus sabina L. extract shows potential medicinal value due to high podophyllotoxin levels and strong anti-butyrylcholinesterase activity.
research Efficacy and safety of diphenylcyclopropenone alone or in combination with anthralin in the treatment of chronic extensive alopecia areata: A retrospective case series
Combining diphenylcyclopropenone with anthralin is more effective for hair regrowth in alopecia areata than using diphenylcyclopropenone alone, but may cause more side effects.
research The Bio-Safety Concerns of Three Domestic Temporary Hair Dye Molecules: Fuchsin Basic, Victoria Blue B and Basic Red 2
These temporary hair dyes may be harmful to human health.
research Breaking the “rule-of-five” to access Bridged Bicyclic Heteroaromatic Bioisosteres
A new method creates valuable compounds for drug discovery by breaking traditional chemical rules.
research Antioxidant activity of fractions from Tridax procumbens.
Tridax procumbens parts have antioxidant properties.
research Sulfur Containing Tyrosine Analogs Can Cause Selective Melanocytotoxicity Involving Tyrosinase-Mediated Apoptosis
research Cutaneous Metabolism of Vitamin B-6
An enzyme other than TNAP might be responsible for vitamin B-6 metabolism in the skin.
research 3,3-Diphenylpentane skeleton as a steroid skeleton substitute: Novel inhibitors of human 5α-reductase 1
A new compound effectively inhibits human 5α-reductase 1.
research Determination of cantharidin,nitrogen mustard and minoxidil in nurturing hair products by liquid chromatography-tandem mass spectrometry
research Efficacy and safety of anthralin in combination with diphenylcyclopropenone in the treatment of alopecia areata: a retrospective case series
Combining DPCP and anthralin helps regrow hair in some alopecia areata patients.