research Evaluation of the rodent Hershberger assay using three reference endocrine disrupters (androgen and antiandrogens)
The assay effectively detects hormonal activity of certain chemicals.
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research Topical absorption and systemic toxicity
Some chemicals absorbed through the skin can cause serious health problems.
research Design, synthesis and biological evaluation of novel androst-3,5-diene-3-carboxylic acid derivatives as inhibitors of 5α-reductase type 1 and 2
New chemical compounds were made that effectively block an enzyme linked to prostate growth.
research Hair Weathering
Avoid chemical and physical damage to protect hair.
research Unsaturated Halogenated Hydrocarbons
These chemicals can be toxic, causing health issues like cancer, liver damage, and irritation.
research Unsaturated Halogenated Hydrocarbons
These chemicals can be toxic and cause health issues like irritation, liver damage, and cancer.
research Effects of halogenated analogues of cortisol and progesterone upon hair growth in castrated mice.
Certain chemical changes to cortisol and progesterone can increase or decrease their ability to inhibit hair growth.
research Chemically Induced Hair Loss/Alopecia
Some chemicals and drugs can cause hair loss, which usually grows back after stopping the treatment.
research 5-Bromo-2′-deoxyuridine induced effluvium via p53-mediated CD326-positive keratinocyte apoptosis in C57BL/6 mice
A chemical called 5-Bromo-2′-deoxyuridine caused rapid hair loss in mice by killing certain skin cells through a specific cell death pathway.
research Chemically Induced Depigmentation of Skin and Hair
Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
research The Antiandrogenic Action of 4–Androsten–3–one–17β– Carboxylic Acid and Its Methyl Ester on Hamster Flank Organ1
The chemicals 17βC and its methyl ester can block the effects of testosterone on hamster skin but not the effects of DHT.
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 Neural Mechanisms of Hair Growth Control
Nerves and chemicals in the body can affect hair growth and loss.
research Specific Citrullination Causes Assembly of a Globular S100A3 Homotetramer
A specific chemical change in the S100A3 protein leads to the formation of a four-part structure important for hair formation.
research Potential of nano-phytochemicals in cervical cancer therapy
Nano-sized plant-based chemicals could improve cervical cancer treatment by being more effective and causing fewer side effects than current methods.
research ARCHAEOLOGICAL AND CONTEMPORARY HUMAN HAIR COMPOSITION AND MORPHOLOGY
Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
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.
research Can plant‐derived phytochemicals provide symptom relief for hair loss? A critical review
Some plant-based chemicals may help with hair growth, but more research is needed to confirm their effectiveness.
research Effects of ultraviolet B radiation on physicochemical properties of human hair shaft
UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
research The First Syntheses of 16β-Chloro- and 16β-Bromo-cyproterone Acetate
Scientists made two new chemicals that might help treat diseases caused by male hormones.
research THE CHEMISTRY MECHANISM OF HAIR DYES
Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
research A SHORT COMMUNICATION ON FORMULATION AND EVALUATION OF DEPILATORIES
Depilatories use chemicals to weaken hair for easy removal.
research Potential Health Risks Associated with Cosmetics and Personal Care Products: An Overview
Cosmetics can contain harmful chemicals that may cause health issues.
research Phytochemistry and Biological Activities of <i>Curcuma aeruginosa</i> (Roxb.)
Curcuma aeruginosa has various chemical components and health benefits.
research Phytochemicals as emerging therapeutic agents for alopecia treatment
Plant-based chemicals may help hair growth and prevent hair loss but need more research to compete with current treatments.
research Neuroactive Steroid Levels are Modified in Cerebrospinal Fluid and Plasma of Post‐Finasteride Patients Showing Persistent Sexual Side Effects and Anxious/Depressive Symptomatology
Finasteride use changes brain chemicals, causing lasting sexual issues and anxiety/depression.
research Neuronal plasticity of the “brain–skin connection”: stress-triggered up-regulation of neuropeptides in dorsal root ganglia and skin via nerve growth factor-dependent pathways
Stress increases certain chemicals in the skin and nerves, which might worsen skin conditions.
research Possible Health Implications Associated with Cosmetics: A Review
Cosmetics can contain harmful chemicals that may cause serious health problems over time.
research Neuroendocrine Determinants of Polycystic Ovary Syndrome
Certain brain hormones and chemicals are linked to the development of Polycystic Ovary Syndrome.
research A combination of pyridine‐2, 4‐dicarboxylic acid diethyl ester and resveratrol stabilizes hypoxia‐inducible factor 1‐alpha and improves hair density in female volunteers
The combination of specific chemicals improves hair density in women.