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This editorial reviews how photobiomodulation therapy might effectively treat both hyperpigmentation and depigmentation skin disorders, but reports no new clinical results.

This article reviews the optimal methods for photographic documentation in managing patients with androgenetic or diffuse alopecia and reports no clinical results.

In this study, researchers found that the peripilar sign in patients with androgenetic alopecia does not indicate perifollicular infiltrate but is more frequent in individuals with lighter skin types due to contrast with the skin.

This study found that scalp micropigmentation significantly improved psychological well-being among adults by enhancing appearance satisfaction and perceived physical attractiveness, but not through a direct relationship with psychological well-being itself.

This study demonstrated that human iPSC-derived melanocytes, when transplanted into mice, can reconstitute pigmented hair follicles and integrate into normal tissue, suggesting their potential as a cellular therapy for depigmentation.

This study reports that two novel chromatographic methods demonstrated high sensitivity and selectivity for determining aminexil, niacinamide, and pyridoxine HCl in a laboratory-prepared mixture and hair tonic preparation.

In this study, SNPs in genes affecting skin pigmentation were linked to each skin type's unique response to environmental stress, suggesting potential for personalized skin care products.

Fibroblasts can be turned into melanocytes for potential skin treatments.

This study found that proretinal nanoparticles, applied topically, are safe and effective for penetration into hair follicles, enhancing retinoid biological activity in the skin while reducing irritation compared to conventional retinal formulations.

Researchers created a reliable method to measure dexpanthenol and resorcinol in hair products.

This study found that collagen oligopeptides from puffer skin may reduce skin melanin and increase hydroxyproline content in guinea pigs, suggesting potential skin whitening and anti-aging effects.

In laboratory tests and mouse models, this study found that the novel IPC analog SIG-1451 may offer potent anti-inflammatory effects for treating allergic skin inflammation, potentially outperforming some current therapies in specific inflammatory phases.

This study observed that Koreans generally have lower hair density, larger diameter, and slower growth rate compared to Caucasians, providing useful baseline data for studying hair diseases and treatments.

In this study, a system was developed utilizing advanced image processing to analyze hair and scalp conditions, aiding professionals in diagnosing diseases like alopecia and monitoring treatment by extracting and comparing key parameters from microscopic images.

This study found that Polygonum multiflorum radix ethanol extract may promote melanin synthesis, potentially helping to turn gray hair back to black by enhancing antioxidant activity and increasing tyrosinase expression.

This study evaluated a new anti-baldness product, IPSTiC patch hair, designed to treat androgenetic alopecia, and reported that it effectively inhibits NO radical and 5α-reductase activity while maintaining safety and stability, suggesting its potential for topical use.

The researchers reported that disrupting the RPGRIP1L gene in mice impaired desmosome function, causing skin blistering, and their findings suggest that PKCβII inhibition could help treat pemphigus.

This review examines human-relevant in vitro models for studying pigmentation disorders, identifying both challenges and advancements in replicating human pigmentation processes and disease-specific pathology in vitro.

This study found that mesotherapy with placenta polypeptide injection significantly reduced skin inflammation and improved aesthetic outcomes in adults with moderate-to-severe sensitive skin, without increasing adverse events compared to controls.

This study found that the loss of Msx2 in knockout mice led to phenotypes similar to Peters anomaly and microphthalmia, suggesting that MSX2 plays a critical role in anterior segment development of the eye.

This study demonstrated that the Epidermal Biopotential Sensing System (EBSS) can measure digital biomarkers of pain in mice, suggesting potential applications in assessing pain and screening analgesics in populations with communication difficulties.

This study introduced and evaluated a new dermoscopic feature, pigmented rings with central clearing, for improving the diagnosis of melasma and differentiating it from similar conditions.

In this study, a new IPL device effectively reduced hair regrowth with high patient satisfaction, particularly in individuals with coarse dark hair and darker skin, despite repeated sessions needed for lighter hair and skin.

Pigs are a good model for studying human hair growth and disorders.

This study found that human hair follicles demonstrated a dose-dependent response to light in an ex vivo photoepilation model, which could predict the clinical efficacy and permanency of light-based hair removal devices.

This study found that inhibiting PKC-β activity with bisindolylmaleimide reduces pigmentation in the skin and hair of guinea pigs and mice by preventing tyrosinase activation.

This study found that two short peptides derived from pigment epithelium-derived factor significantly accelerated full-thickness skin wound healing in mice through mechanisms that may involve increased cell proliferation and stem cell mobilization.