research Human Derived Immortalized Dermal Papilla Cells With a Constant Expression of Testosterone Receptor
Researchers created immortal human skin cells with constant testosterone receptor activity to study hair loss and test treatments.
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research Cinnamomi Cortex (Cinnamomum verum) Suppresses Testosterone-induced Benign Prostatic Hyperplasia by Regulating 5α-reductase
Cinnamomi cortex may help treat prostate enlargement by reducing related proteins.
research Analysis of Apoptotic Cell Death in Human Hair Follicles In Vivo andIn Vitro
Apoptosis in hair follicles varies by growth phase, with TGF-β possibly starting the catagen phase.
research Dermal Adipose Tissue Secretes HGF to Promote Human Hair Growth and Pigmentation
Fat under the skin releases HGF which helps hair grow and gain color.
research Exogenous stimulation with Eclipta alba promotes hair matrix keratinocyte proliferation and downregulates TGF-β1 expression in nude mice
Eclipta alba extract helps increase hair growth and decrease hair loss-related protein in mice.
research Efficacy and Safety of Skin Radiance Collagen on Skin and Hair Matrix: A Placebo-Controlled Clinical Trial in Healthy Human Subjects
Skin Radiance Collagen improved skin and hair health in adult females.
research K6irs1, K6irs2, K6irs3, and K6irs4 Represent the Inner-Root-Sheath-Specific Type II Epithelial Keratins of the Human Hair Follicle1
Four specific keratins in hair follicles help understand hair structure and function.
research The disrupted balance between hair follicles and sebaceous glands inHoxc13‐ablated rabbits
Rabbits lacking the Hoxc13 gene show similar hair and skin issues to humans with ECTD-9, making them good for research on this condition.
research In Vitro Biological Activity and In Vivo Human Study of Porcine-Placenta-Extract-Loaded Nanovesicle Formulations for Skin and Hair Rejuvenation
Porcine placenta extract may improve hair growth and skin health.
research Double Knockdown of the Androgen Receptor Target Genes DKK1 and SFRP1 Does Not Potentiate the Hair Growth-Promoting Effect of SFRP1 Silencing in Healthy Human Hair Follicles Ex Vivo
Silencing SFRP1 alone promotes hair growth, but adding DKK1 does not help.
research Smad4-dependent desmoglein-4 expression contributes to hair follicle integrity
Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.
research Ent-kaurane-type diterpenoids from Isodonis Herba activate human hair follicle dermal papilla cells proliferation via the Akt/GSK-3β/β-catenin transduction pathway
Ent-kaurane-type diterpenoids from Isodonis Herba may promote hair growth by boosting cell proliferation.
research Evaluating hair growth promoting effects of candidate substance: A review of research methods
The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.
research Giant axonal neuropathy alters the structure of keratin intermediate filaments in human hair
Giant axonal neuropathy changes the structure of keratin in human hair.
research VEGFR-2 Is in a State of Activation in Hair Follicles, Sebaceous Glands, Eccrine Sweat Glands, and Epidermis from Human Scalp: An In Situ Immunohistochemistry Study of Phosphorylated VEGFR-2
VEGFR-2 is active in hair follicles, sebaceous glands, sweat glands, and skin on the human scalp.
research Therapeutic Potential of Nerve Growth Factor-Modified Hair Follicle Stem Cells Transplantation in a Rat Model of Alzheimer’s Disease
NGF-modified hair follicle stem cells may help treat Alzheimer's by improving brain function and reducing harmful proteins.
research Long-term physiological trends and their drivers: linking hair hormone concentrations with telemetry data in GPS-collared Serengeti wildebeest
Wildebeest stress and hormone levels are influenced by food availability, human presence, and reproductive cycles.
research Integrated single-cell chromatin and transcriptomic analyses of human scalp identify gene-regulatory programs and critical cell types for hair and skin diseases
research Discrete Nanoscale Distribution of Hair Lipids Fails to Provide Humidity Resistance
Hair lipids do not protect against humidity.
research No difference in the proteome of racially and geometrically classified scalp hair sample from a South African cohort: Preliminary findings
Hair protein composition is similar across different races and shapes.
research Monilethrix: A Novel Mutation (Glu402Lys) in the Helix Termination Motif and the First Causative Mutation (Asn114Asp) in the Helix Initiation Motif of the Type II Hair Keratin hHb6
New mutations in hair keratin genes cause the rare hair disorder monilethrix.
research Bio‐active designed peptide for hair keratin strengthening
Pal-KCV peptide strengthens hair and reduces breakage by up to 52%.
research The biology and genetics of curly hair
Curly hair is influenced by specific genetic variations.
research Genetic and biochemical aspects of the synthesis of keratin by hair follicles
Gene expression regulates keratin production for normal hair growth.
research Hair: Its structure and response to cosmetic preparations
Hair can be damaged by daily routines, but protein-based products can protect and improve it.
research Types of Hair Dye and Their Mechanisms of Action
Hair dyes vary in how long they last and how deeply they penetrate hair.
research Age-associated thin hair displays molecular, structural and mechanical characteristic changes
Older thin hair is not just thinner but also has different shape, structure, and stiffness.
research Vibrational Raman and IR data on brown hair subjected to bleaching
Bleaching hair changes its structure and weakens it, which is important for understanding hair damage and creating treatments.
research Penetration of different molecular weight hydrolysed keratins into hair fibres and their effects on the physical properties of textured hair
Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
research Impact of Hair Damage on the Penetration Profile of Coconut, Avocado, and Argan Oils into Caucasian Hair Fibers
Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.