research Biochemical Roles of Testosterone and Epitestosterone to 5α-Reductase as Indicators of Male-Pattern Baldness
High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
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research Characterization of X-Linked Hypohidrotic Ectodermal Dysplasia Hair and Sweat Gland Phenotypes Using Phototrichogram Analysis and Live Confocal Imaging
People with X-linked hypohidrotic ectodermal dysplasia have no sweat ducts and less, thinner hair.
research Trichoblastoma with Sebaceous and Sweat Gland Differentiation
A rare benign skin tumor showed unusual features of sebaceous and sweat glands, important for correct diagnosis.
research Generalized Pustular Toxic Erythema: Pathogenetic Relationship Between Pustule and Epidermal Appendage (Hair Follicle or Sweat Duct)
Pustules in toxic erythema are linked to hair follicles or sweat ducts.
research Impact of Testosterone on Hair and Skin
Testosterone can cause acne and male-pattern baldness, affects hair growth in men and women, and makes male skin more sensitive.
research Human Hair as a Testing Substrate in the Era of Precision Medicine: Potential Role of Omics-Based Approaches
Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
research Hair Growth Promoting Activity of Helianthus Annuus in Testosterone Induced Alopecia in Mice Model
Sunflower oil was found to promote hair growth in mice with hormone-induced hair loss.
research A Transient Dermal Niche and Dual Epidermal Programs Underlie Sweat Gland Development
Sweat gland development involves two unique skin cell programs and a temporary skin environment.
research Segmental Hair Analysis - A Retrospective Testosterone Diary?
Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
research Immunohistochemical Insight Into the Association Between the Collapse of Immune Privilege in the Sweat Gland and Syringotropic Immune Cell Infiltrates in Collagen Diseases
The study found that sweat glands normally suppress immune responses, but this is disrupted in certain skin diseases, possibly contributing to their development.
research Spatiotemporal Antagonism in Mesenchymal-Epithelial Signaling in Sweat Versus Hair Fate Decision
Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
research STIM1, But Not STIM2, Is the Calcium Sensor Critical for Sweat Secretion
STIM1 is essential for sweat secretion.
research Effect of 5α-Dihydrotestosterone and Testosterone on Apoptosis in Human Dermal Papilla Cells
High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
research Inhibition of Hair Growth by Testosterone in the Presence of Dermal Papilla Cells from the Frontal Bald Scalp of the Postpubertal Stumptailed Macaque
Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
research Reduced Cell Cohesiveness of Outgrowths from Eccrine Sweat Glands Delays Wound Closure in Elderly Skin
Older people's sweat glands are less effective at helping skin wounds heal due to weaker cell connections.
research Effects of Topical Application of EGCG on Testosterone-Induced Hair Loss in a Mouse Model
Applying EGCG on the skin can prevent hair loss caused by testosterone in mice.
research Changes in Serum Free Testosterone, Sleep Patterns, and 5-Alpha-Reductase Type I Activity Influence Sebum Excretion in Female Subjects
Sleep, testosterone levels, and a specific enzyme activity affect skin oil production in women.
research A Non-Invasive Hair Test to Determine Vitamin D3 Levels
The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
research Bad Hair Day: Testosterone and Wnt Signaling
Testosterone can both promote hair growth and cause baldness by affecting hair growth signals.
research Effect of Cosmetic Hair Treatment and Natural Hair Color on Hair Testosterone Concentrations
Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
research Segmental Hair Analysis as a Retrospective Testosterone Diary: Possibilities and Pitfalls
Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
research Hair Tonic Activity Test of Sansevieria Trifasciata Prain Leaves on Male Rabbit Hair Growth
Mother-in-law's tongue leaf extract at 20% concentration significantly promotes hair growth in male rabbits.
research Detection of Cortisol, Estradiol, and Testosterone in Archaeological Human Hair from the Dakhleh Oasis, Egypt
Ancient hair can preserve hormones, revealing health and fertility insights.
research Terbinafine Levels in Serum, Stratum Corneum, Dermis-Epidermis, Hair, Sebum, and Eccrine Sweat
Terbinafine quickly builds up in skin and hair, staying effective for over 3 weeks.
research Association Between Exogenous Testosterone Use and New Diagnosis of Hidradenitis Suppurativa: A Case Series
Exogenous testosterone use may be linked to developing hidradenitis suppurativa.
research Adipose Infiltration of the Dermis, Involving the Arrector Pili Muscle, and Dermal Displacement of Eccrine Sweat Coils: New Histologic Observations in Frontal Fibrosing Alopecia
The conclusion is that fat tissue in the skin is a new finding in Frontal fibrosing alopecia and may contribute to hair follicle and muscle degeneration.
research Micro-Segmental Analysis of the Entry Pathway and Distribution of Zolpidem in Hair From Different Scalp Regions After a Single Dose
Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
research Penis Endocrinology
Hormones, especially testosterone and DHT, are key for penis development and function, and testosterone therapy may help with erectile dysfunction in those with low levels.
research Physiological Changes in the Skin During Pregnancy
Pregnancy can cause skin pigmentation, stretch marks, and changes in hair, nails, and sweat glands, with most resolving after birth.
research Approach to the Adult Female Patient with Diffuse Nonscarring Alopecia
The document concludes that careful evaluation is key to diagnose and treat women with hair loss, with tests for thyroid, iron, and hormones as needed.