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This study found that a hair tonic made with 30% ethanol extract from papaya fruit peel effectively promoted hair growth in guinea pigs, with results close to those of a positive control, and contains beneficial compounds like alkaloids and flavonoids.

This study found that a daily dose of 1 mg finasteride is effective for treating male pattern baldness, but benefits typically require at least three months to manifest and ongoing treatment is necessary to maintain results.

This study found that treating bleached hair with a hair manicure improved several physical properties, such as tensile strength and elongation, compared to untreated hair, suggesting potential benefits for enhancing hair conditions cosmetically.

This study found that 3% peppermint oil significantly enhanced hair growth in C57BL/6 mice, showing increased dermal thickness, follicle number, and follicle depth compared to other treatments.

This study found that TRP-hair essence significantly protected and improved the quality of human hair, particularly against heat stress, by enhancing cuticle health and maintaining hair color.

This study found that a papain-containing cream had a significantly greater depilatory effect and altered skin morphology more than a papain-containing gel when applied to mice.

This study observed that platelet-rich gel for scalp defect reconstruction was more cost-effective and less painful but resulted in poorer hair growth compared to the external tissue expansion technique.

This research found that spontaneous and depilation-induced hair growth result in biologically distinct telogen phases in murine skin, with variations in thickness, pigment content, and hair follicle composition.

This study found that an improved flap model in nude mice significantly reduces the time needed for hair induction compared to the traditional method, likely due to enhanced blood supply at the transplantation sites.

This article reviews the development and challenges of skin penetration enhancers, highlighting their limitations in compatibility and safety, and reports no new clinical findings.

This study found that xylanase and pectinase enzymes clean wool and specialty hair fibers as effectively as soap, without causing physical damage, whereas resinase was not effective.

This review discusses in vitro methods for evaluating the effects of hair care products on hair fibers, reporting no new results; the authors emphasize the importance of selecting appropriate and accurate equipment for testing.

This randomized controlled trial found that adding Platelet-Rich Plasma to Direct Hair Implantation significantly improved hair growth rate and follicle density in patients with androgenetic alopecia.

In this study, subthermal RF-CRET currents were found to alter key molecular mechanisms in dermal papilla cells, promoting proliferation and survival while enhancing markers associated with hair growth and maintenance, suggesting potential benefits for hair regeneration.

In this study, pantothenic acid at 20 μg/ml was observed to promote dermal papilla cell proliferation and migration, likely through up-regulation of ID3 and inhibition of Notch signaling.

This study evaluated the efficacy of two eyebrow hair transplant techniques, follicular unit extraction (FUE) and direct hair implantation (DHI), in achieving natural-looking results and patient satisfaction.

This study showed that chemical and mechanical treatments significantly alter the nanoscale surface properties of hair, affecting its roughness, mechanical stiffness, adhesion, and surface potential.

In this exploratory in vitro study, treatment with spermidine increased cell viability and altered gene expression in human epidermal keratinocytes, suggesting potential benefits to cellular health and function, though effects on mitochondrial markers were not significant.

This review examines the science and technology behind temporary and permanent hair straightening, discussing the processes, potential advancements, and considerations for reducing adverse effects, but does not report new research findings.

This study found that treatment with mercuric acetate modifies the elastic properties of Lincoln wool fibers more rapidly than human hair, explaining the enhanced unshrinkable quality of wool under certain conditions.

This research found that liquid-state liposomes and niosomes may enhance finasteride delivery to pilosebaceous units in hamsters more effectively than gel-state vesicles or hydroalcoholic solution.

This review highlights recent progress in hair restoration, particularly in increasing the number of grafts that can be used, but it presents no new experimental findings.

This study found that PLGA nanospheres improved scalp-pore permeability and enhanced hair growth activities in mice, suggesting their potential as drug delivery carriers for hair growth ingredients.

The study reported that reducing finasteride particle size significantly improved its cellular permeation through prostate epithelial cells, though it had a lesser impact on systemic pharmacokinetics and tissue distribution in rats.

Both amodimethicone and dimethicone copolyol amine are effective hair conditioners.

In this clinical trial, the topical agent AP-FHG0604T significantly increased hair counts and growth rates in women with female pattern hair loss compared to a placebo, though some reported mild local irritation.

In this proof-of-concept study, researchers found that hair grafts preserved in preconditioned autologous platelet-rich plasma with photothermal biostimulation and phosphate-buffered saline remained viable for eight hours before transplantation, outperforming saline solution and Ringer's lactate by two hours.

This study concluded that in female pattern hair loss patients, CGF and i-PRF treatments were more effective than PRP in increasing target area hair count, with i-PRF having the lowest adverse event rate.

This study found that a topical combination of 0.25% finasteride and 3% minoxidil may increase hair diameter more effectively than 3% minoxidil alone in postmenopausal women with female pattern hair loss.

The research reported that applying treatments with wild peach leaf extract during hair dyeing improved hair's tensile strength, thickness, gloss, and protective qualities in a concentration-dependent manner, suggesting potential for use in natural hair cosmetics.