research Hair as a Retrospective Calendar of Cortisol Production—Increased Cortisol Incorporation into Hair in the Third Trimester of Pregnancy
Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
Search
for
Sort by
Research
840-870 / 1000+ results 
research Scalable Production of Controllable Dermal Papilla Spheroids on PVA Surfaces and the Effects of Spheroid Size on Hair Follicle Regeneration
Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.
research The Impact of Oxidative Stress on Hair
Oxidative stress damages hair and contributes to aging, and managing it can help maintain hair health.
research Chronological Aging of Human Hair Keratin Fibers
Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
research Transepidermal UV Radiation of Scalp Skin Ex Vivo Induces Hair Follicle Damage That Is Alleviated by Topical Treatment with Caffeine
Caffeine applied to the scalp can protect hair follicles from UV damage.
research Topically Used Herbal Products for the Treatment of Hair Loss: Preclinical and Clinical Studies
Herbal products might promote hair growth with fewer side effects, but more research is needed to confirm their safety and effectiveness.
research A Review of Hand-Held, Home-Use Cosmetic Laser and Light Devices
Home-use cosmetic laser and light devices show modest results for hair removal and acne treatment, but more research is needed for confirmation.
research Annurca Apple Polyphenols Ignite Keratin Production in Hair Follicles by Inhibiting the Pentose Phosphate Pathway and Amino Acid Oxidation
Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
research Cosmetic Concerns Among Men
More men are getting cosmetic procedures, mainly for aging, hair loss, and to keep masculine features, with growing interest in both surgical and noninvasive treatments.
research A Study on the Conditioning Effects of Natural Shampoos Using the Scanning Electron Microscope
Natural shampoos made in the lab conditioned hair better than commercial ones with chemicals.
research Torsional Method for Evaluating Hair Damage and Performance of Hair Care Ingredients
The torsional method effectively evaluates hair damage and the performance of hair care ingredients.
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 Older Women's Negative Psychological and Physical Experiences with Injectable Cosmetic Treatments to the Face
Older women reported negative physical and psychological effects from Botox and facial fillers, feeling neglected by the medical system.
research Efficacy and Safety of a New 5% Minoxidil Formulation in Male Androgenetic Alopecia: A Randomized, Placebo-Controlled, Double-Blind, Noninferiority Study
New 5% minoxidil formula safely and effectively treats male hair loss.
research The Impact of Different Hair-Removal Behaviors on the Biophysical and Biochemical Characteristics of Female Axillary Skin
All hair removal methods irritate underarm skin and cause dryness, with shaving being less irritating but more drying than plucking or waxing.
research Functional Cosmetic Effects of Dendropanax, Sea Salt, and Other Extracts to Alleviate Hair Loss Symptoms
Dendropanax, sea salt, and other extracts can help reduce hair loss and promote hair growth.
research Human Scalp Hair: Modulation by Various Factors and Hormones - Do Estrogens Inhibit or Stimulate? A Perplexing Perspective
The effects of estrogen on human scalp hair growth are unclear and need more research.
research In Vitro and Clinical Evaluation of Umbilical Cord-Derived Mesenchymal Stromal Cell-Conditioned Media for Hair Regeneration
Umbilical cord-derived media is safe and effective for hair growth.
research Age, Lifestyle, and Self-Perceptions of Hair: Is There an Association with Hair Diameter and Tensile Properties?
Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
research Cosmetic Dermatology Techniques for Photoaged Skin
Common cosmetic dermatology techniques improve skin damaged by the sun and aging.
research Investigating the Relationship Between the Hair Fiber Proteome and Hair Quality
Hair quality is genetically determined and linked to its composition and strength.
research Evaluation of Efficacy of Silybum Marianum Flower Extract on Mitigating Hair Loss In Vitro and In Vivo
Silybum marianum flower extract may help increase hair growth and decrease hair loss.
research Cosmetic Procedures in the Treatment of Alopecia
Some cosmetic procedures show promise for treating hair loss, but more research is needed to confirm their safety and effectiveness.
research Tensile Properties of Twisted Hair Fibers
Twisting hair weakens it, but strength can be recovered at low twist levels.
research Novel Anti-Dandruff Shampoo Incorporated With Ketoconazole-Coated Zinc Oxide Nanoparticles Using Green Tea Extract
The new anti-dandruff shampoo with ketoconazole-coated zinc oxide nanoparticles is more effective against dandruff.
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 Effect of Two Shampoo Formulations on the Prokaryotic and Eukaryotic Microbiota Composition of the Human Scalp
Both shampoos increased scalp germ numbers but did not change the overall microbial community composition.
research Anhidrotic Effect of Intradermal Injections of Botulinum Toxin—A Comparison of Different Products and Concentrations
Different botulinum toxin products and concentrations can effectively reduce sweating, itching, bladder pressure, hair loss, and muscle spasms.
research Scalp Condition Improvement With Botanical Extracts Possessing Chemical And Physical Antioxidant Activity
Botanical extracts can improve scalp health by reducing oxidative stress.
research Preparation and In Vitro Evaluation of Protective Effects of Quercetin-Loaded Solid Lipid Nanoparticles on Human Hair Against UV-B Radiation
Quercetin-loaded nanoparticles protect human hair from UV-B damage.