research Is It Getting in the Hair? Cortisol Concentrations in Native, Regrown, and Segmented Hairs of Cattle and Pigs After Repeated ACTH Administrations
Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
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60-90 / 1000+ resultsresearch Comparison of the Efficacy and Safety of a Picosecond Alexandrite Laser and a Q-Switched Alexandrite Laser for the Treatment of Freckles in Chinese Patients
Both lasers are equally effective and safe for treating freckles.
research Tβ4-Overexpression Based on the PiggyBac Transposon System in Cashmere Goats Alters Hair Fiber Characteristics
Overexpressing Tβ4 in cashmere goats improves hair fiber traits and increases cashmere yield.
research Pigmentary Disorders in Black Skin
The argon gas-based cryotherapy effectively reduced keloid scars but caused some hypopigmentation and had a recurrence rate, especially in Afro-American patients.
research The Redox Biochemistry of Human Hair Pigmentation
Human hair color is influenced by complex biochemical processes involving enzymes and reactive oxygen species.
research Pigmented Contact Dermatitis from Topical Minoxidil 5%
Minoxidil 5% caused skin discoloration in a man using it for hair loss.
research The Regulatory Biology of the Human Pilosebaceous Unit
Scientists now better understand how human hair growth is controlled, including the roles of specific genes and proteins.
research Analysis of Hair Cortisol as an Indicator of Chronic Stress in Pigs in Two Different Farrowing Systems
Pigs in farrowing crates and loose-housing systems showed no difference in chronic stress levels as measured by hair cortisol.
research Pigmentation of Regenerated Hairs After Wounding
Regenerated hairs can regain their color if the wound occurs during a certain stage of hair growth, and this process is helped by specific skin cells and proteins.
research Pigmented Casts in Alopecia: A 2014 Study
Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.
research Stanozolol in the Treatment of Pityriasis Rubra Pilaris
The summary does not report the effectiveness of Stanozolol in treating Pityriasis rubra pilaris.
research Pigmentation and Pregnancy: A Study on Skin Changes
Most skin changes during pregnancy are harmless and moles don't significantly change, but many women experience pigmentation changes due to hormones and sun exposure.
research Acquired Pili Torti: A Structural Hair Shaft Defect in Anorexia Nervosa
Anorexia nervosa may cause a hair defect called pili torti due to malnutrition and high vitamin A levels.
research Vanillic Acid Stimulates Anagen Signaling via the PI3K/Akt/β-Catenin Pathway in Dermal Papilla Cells
Vanillic acid from wheat bran may promote hair growth by activating certain cell pathways and reversing hormone-related hair loss.
research Nrf2-Mediated Expansion of Pilosebaceous Cells Accelerates Cutaneous Wound Healing
Activating Nrf2 in skin cells speeds up wound healing by increasing the growth of certain stem cells.
research Cantú Syndrome with Coexisting Familial Pituitary Adenoma
Cantú syndrome may be linked to pituitary adenomas.
research 3,4,5-Tri-O-Caffeoylquinic Acid Promoted Hair Pigmentation Through β-Catenin and Its Target Genes
A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.
research Flavonoids with Two Hydroxyl Groups in the B-Ring Promote Pigmented Hair Regeneration
Certain flavonoids help grow back colored hair after skin injury.
research Pityriasis Rubra Pilaris: A Study Evaluating Patient Quality of Life in Two Populations
Pityriasis rubra pilaris significantly worsens quality of life more than many other health conditions.
research Single Follicular Unit Transplantation Reconstructs Arrector Pili Muscle and Nerve Connections and Restores Functional Hair Follicle Piloerection
Hair transplant surgery can rebuild muscle and nerve connections, allowing transplanted hairs to stand up like normal hairs.
research Pili Annulati with Fragility: Electron Microscopic Findings of a Case
The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
research Comparison of Treatment with Clobetasol Propionate 0.05% and Topical Pimecrolimus 1% in Alopecia Areata
Clobetasol and pimecrolimus are similarly effective for alopecia areata, but pimecrolimus has fewer side effects and is preferred for long-term use.
research Pilomatricoma Arising at a BCG Vaccination Site
A benign tumor developed at a girl's BCG vaccination site, not previously linked to the vaccine.
research Effects of the PI3K/Akt Signaling Pathway on the Hair Inductivity of Human Dermal Papilla Cells in Hair Beads
Activating the PI3K/Akt pathway improves hair growth by human dermal papilla cells in hair beads.
research Characterizing Disease Features and Other Medical Diagnoses in Patients With Pityriasis Rubra Pilaris
PRP patients show varied symptoms and need more research to understand related conditions.
research Efficacy and Safety of an Oral Nutritional Supplement Containing Pinus Pinaster Bark Extract and Grape Seed Extract in Combination with a High SPF Sunscreen in the Treatment of Mild-to-Moderate Melasma: A Prospective Clinical Study
The oral supplement with Pinus pinaster and Grape seed extract, used with sunscreen, effectively and safely improved mild-to-moderate facial melasma.
research Pigmented Contact Dermatitis Due to Therapeutic Sensitizer as a Complication of Contact Immunotherapy in Alopecia Areata
Some patients with severe alopecia areata developed skin darkening from their treatment, which may indicate a less effective response to the therapy.
research Multiple Pilomatrixoma in Turner Syndrome
Multiple pilomatrixoma may indicate Turner syndrome.
research Pilot Study of a Novel Treatment for Androgenetic Alopecia Using Enriched Cell Culture Medium: Clinical Trials
A new treatment for hair loss was tested and most participants saw their hair loss stop within 2-8 weeks, with up to 50% more hair after 4 months, and no side effects.
research Pigmentation of Hair on Transplanted Skin in Hooded Rats
Transplanted skin on hooded rats often grows white hair instead of black.