research Final Report on the Safety Assessment of Hypericum Perforatum Extract and Hypericum Perforatum Oil
St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.
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research Symmetry Breaking of Tissue Mechanics in Wound-Induced Hair Follicle Regeneration of Laboratory and Spiny Mice
Tissue stiffness affects hair follicle regeneration, and Twist1 is a key regulator.
research Autologous Cell-Based Therapy for Male and Female Pattern Hair Loss Using Dermal Sheath Cup Cells: A Randomized Placebo-Controlled Double-Blinded Dose-Finding Clinical Study
DSC cell injections significantly improved hair density and diameter, showing potential as a hair loss treatment.
research The Reduction of Selenium(IV) by Boreal Pseudomonas sp. Strain T5-6-I – Effects on Selenium(IV) Uptake in Brassica oleracea
Pseudomonas sp. T5-6-I bacteria increase selenium uptake in Brassica oleracea plants by 130%.
research Fluoride Exposure and Pubertal Development in Children Living in Mexico City
Higher fluoride levels may delay puberty in boys.
research Icariin Promotes Mouse Hair Follicle Growth by Increasing Insulin-Like Growth Factor 1 Expression in Dermal Papillary Cells
Icariin helps mouse hair grow by boosting a growth factor in skin cells.
research Immunolocalization of a Histidine-Rich Epidermal Differentiation Protein in the Chicken Supports the Hypothesis of an Evolutionary Developmental Link Between the Embryonic Subperiderm and Feather Barbs and Barbules
A specific protein in chicken embryos links early skin layers to feather development.
research Baicalin, A Flavonoid, Affects The Activity Of Human Dermal Papilla Cells And Promotes Anagen Induction In Mice
Baicalin helps hair grow by boosting certain cell activities and speeding up hair cycle in mice.
research Ginsenoside F2 Reduces Hair Loss by Controlling Apoptosis Through the Sterol Regulatory Element-Binding Protein Cleavage Activating Protein and Transforming Growth Factor-β Pathways in a Dihydrotestosterone-Induced Mouse Model
Ginsenoside F2 may help prevent hair loss and promote hair growth better than finasteride.
research Hair Growth Regulation by the Extract of Aromatic Plant Erica Multiflora
Erica multiflora plant extract can help hair grow by stimulating growth-related cells and triggering hair cycle changes.
research Hair Growth Stimulatory Effect by a Combination of 5-Aminolevulinic Acid and Iron Ion
A mix of 5-aminolevulinic acid and iron ion can speed up hair growth.
research Pharmacokinetic Parameters and Mechanisms of Inhibition of Rat Type 1 and 2 Steroid 5α-Reductases: Determinants for Different In Vivo Activities of GI198745 and Finasteride in the Rat
GI198745 is more potent and longer-lasting than finasteride, potentially better for treating hair loss.
research New Progesterone Esters as 5α-Reductase Inhibitors
Some new progesterone derivatives are better at blocking testosterone conversion than a common drug.
research Hair Growth Modulation by Adrenergic Drugs
Certain drugs can cause early hair growth in mice by affecting the nerves.
research The Essence of Alternative Medicine
Alternative medicine lacks scientific support and relies on the placebo effect, but remains popular and integrated into German healthcare.
research Ecklonia Cava Promotes Hair Growth
Ecklonia cava, a type of seaweed, may help hair grow.
research Transgenic Mice Overexpressing CD109 in the Epidermis Display Decreased Inflammation and Granulation Tissue and Improved Collagen Architecture During Wound Healing
Mice genetically modified to produce more CD109 in their skin had less inflammation and better healing with less scarring.
research Dermal Papilla Cells Serially Cultured with Wnt-10b Sustain Their Hair Follicle Induction Activity After Transplantation into Nude Mice
Cells treated with Wnt-10b can grow hair after being transplanted into mice.
research Bone vs. Fat: Embryonic Origin of Progenitors Determines Response to Androgen in Adipocytes and Osteoblasts
Androgens affect bone and fat cell development differently based on the cells' embryonic origin.
research A Monoallelic Two-Hit Mechanism in PLCD1 Explains the Genetic Pathogenesis of Hereditary Trichilemmal Cyst Formation
A specific gene change plus an additional mutation in the same gene cause hereditary trichilemmal cysts.
research 5α-Reductase Isozymes and Aromatase mRNA Levels in Plucked Hair from Young Women with Female Pattern Hair Loss
Higher enzyme levels found in women with hair loss, suggesting hormone imbalance.
research Vesicles: Potential Nano Carriers for the Delivery of Skin Cosmetics
Vesicular carriers like liposomes may improve cosmetic skin treatment delivery and effectiveness but need more human research.
research Investigation of the Cutaneous Penetration Behavior of Dexamethasone Loaded to Nano-Sized Lipid Particles by EPR Spectroscopy, and Confocal Raman and Laser Scanning Microscopy
Nano-sized lipid particles increase dexamethasone's skin penetration and create a reservoir in the skin layers.
research Progesterone-Induced Stimulation of Mammary Tumorigenesis Is Due to the Progesterone Metabolite, 5α-Dihydroprogesterone (5αP), and Can Be Suppressed by the 5α-Reductase Inhibitor, Finasteride
Progesterone byproduct 5αP stimulates mammary tumor growth, but finasteride can suppress it.
research In Vitro Analysis of Finasteride Activity Against Candida Albicans Urinary Biofilm Formation and Filamentation
Finasteride effectively prevents biofilm formation and treats preformed biofilms, but requires high doses.
research Comparison of Zinc, Copper, and Iron Content in Hair and Serum in Alopecia Areata Patients with Normal Group
Hair and serum levels of zinc, copper, and iron are similar in people with alopecia areata and healthy individuals.
research CCN2 Modulates Hair Follicle Cycling in Mice
The protein CCN2 controls hair growth by affecting hair follicle formation and stem cell activity in mice.
research Optimization of LC Method for the Determination of Testosterone and Epitestosterone in Urine Samples for Biomedical and Anti-Doping Research
Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.
research CD34 Glycoprotein Identifies Putative Stem Cells Located in the Isthmic Region of Canine Hair Follicles
CD34 marks potential stem cells in dog hair follicles.
research Radioimmunoassay of Minoxidil in Human Serum
Minoxidil levels measured in human blood.