research Science and Technology of Hair Fibers
The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
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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 Determination of cortisone and cortisol in human scalp hair using an improved LC-MS/MS-based method
Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.
research Vitamin D Status Assessment: Lack of Correlation between Serum and Hair 25-Hydroxycholecalciferol Levels in Healthy Young Adults
Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
research The profile of steroid hormones in human fetal and adult ovaries
Fetal ovaries produce different hormones than adult ovaries, and endocrine-disrupting chemicals may affect this process.
research Expression Profiles of Reproduction- and Thyroid Hormone-Related Transcripts in the Brains of Chemically-Induced Intersex Frogs
Intersex frogs have different brain gene activity related to sex and thyroid hormones.
research Keratinocytes of the Upper Epidermis and Isthmus of Hair Follicles Express Hemoglobin mRNA and Protein
Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.
research Hair Trace Elements in Children With Autism Spectrum Disorders: Systematic Literature Review
Exposure to toxic elements like mercury and lead may be linked to autism, and a higher zinc to copper ratio might help protect against it.
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 Neural Mechanisms of Hair Growth Control
Nerves and chemicals in the body can affect hair growth and loss.
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 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 THE CHEMISTRY MECHANISM OF HAIR DYES
Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
research Scanning electron microscopes/silicon drift detector-energy dispersive spectroscopy: An analytical tool to identify waterborne microminerals pickup in human scalp hair cuticle due to water quality
The method can identify minerals in hair from water, and using coconut oil or conditioner can prevent mineral buildup.
research Potential Health Risks Associated with Cosmetics and Personal Care Products: An Overview
Cosmetics can contain harmful chemicals that may cause health issues.
research Dermatological drugs, topical agents, and cosmetics
Tretinoin gel is safe for sun exposure, but tacalcitol doesn't significantly improve non-segmental vitiligo.
research Paraphenylenediamine hair dyeing nephropathy: a case report and review of literature
Hair dye chemicals can cause serious health problems, including kidney damage.
research Role of hair as Evidence in Investigation: A Forensic Approach
Hair can help solve crimes by revealing personal and chemical information.
research Changing the shape of hair with keratin peptides
Keratin peptides can change hair shape gently without harsh chemicals.
research Critical Role of ATP-P2X7 Axis in UV-Induced Melanogenesis
ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.
research Development and Physicochemical Evaluation of a Polyherbal Dual-Action Shampoo for Hair Coloring and Conditioning
The shampoo naturally colors and conditions hair safely without toxic chemicals.
research A volatile producing Bacillus subtilis strain from the rhizosphere of Haloxylon ammodendron promotes plant root development
The conclusion is that certain chemicals from Bacillus subtilis help improve plant root growth through a hormone-related process.
research Relationships between cerebrospinal fluid GABAergic neurosteroid levels and symptom severity in men with PTSD
Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.
research Differentiation of Human Dermal Mesenchymal Stem Cells into Cardiomyocytes by Treatment with 5-Azacytidine: Concept for Regenerative Therapy in Myocardial Infarction
Skin stem cells were turned into heart cells using a chemical, suggesting a new way to treat heart attacks.
research A Review: Formulation and Evaluation of Herbal Face Pack
Herbal face packs can safely and effectively replace chemical skincare products.
research In vivo and in vitro studies of anti-aging properties of Dendrobium sabin flower
Dendrobium sabin flower extract may help reduce skin aging from UV exposure.
research Pathophysiological mechanisms implicated in postpartum depression
Postpartum depression is linked to changes in brain chemicals, inflammation, stress, and certain genes, and can potentially be identified by markers like specific steroids, serotonin levels, and vitamin D levels.
research A Review: Herbal Hair Growth Tonic
The herbal hair growth tonic is a safe and effective natural alternative to chemical products.
research Significant Effects of Mild Endogenous Hormonal Changes in Humans: Considerations for Low-Dose Testing
Small hormonal imbalances can cause significant health problems, so more sensitive testing for hormone-disrupting chemicals is needed.
research PLASMA C19 STEROID SULPHATE LEVELS AND INDICES OF ANDROGEN BIOAVAILABILITY IN FEMALE PATTERN ANDROGENIC ALOPECIA
Women with female pattern hair loss have higher levels of certain androgens, suggesting increased androgen exposure to hair follicles.