research Observation of the Microstructure of Human Hair Based on a Single Detector Optical Coherence Tomography
Chemical dyes damage hair's internal structure more than perming, as shown by a special imaging technique.
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510-540 / 1000+ resultsresearch Abstracts: Reduction‐induced surface modification of human hair
Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
research 3P343 Change of cell membrane complex of a hair fiber caused by hair damage
Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
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 Evaluation of the rodent Hershberger assay using three reference endocrine disrupters (androgen and antiandrogens)
The assay effectively detects hormonal activity of certain chemicals.
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 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 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 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 Hair Weathering
Avoid chemical and physical damage to protect hair.
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 Neural Mechanisms of Hair Growth Control
Nerves and chemicals in the body can affect hair growth and loss.
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 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 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 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 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.
research Paraphenylenediamine hair dyeing nephropathy: a case report and review of literature
Hair dye chemicals can cause serious health problems, including kidney damage.
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 Early post-natal neuroactive steroid manipulation modulates ondansetron effects on initial periods of alcohol consumption in rats
Early changes in brain chemicals affect how a drug reduces alcohol intake in rats.
research Amino Acid Content of Damaged Human Hair
High temperatures and certain chemicals can significantly change the amino acid content in human hair.
research Endocrine disruptors as risk factors for idiopathic premature thelarche in girls: A case-control study
Exposure to certain chemicals in food and containers may increase the risk of early breast development in young girls.
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 Contaminants of emerging concern in the fetal environment
Fetal environments contain various chemicals that may disrupt hormones.