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Hair follicles are crucial for maintaining skin barrier function.

This study observed that using ultra-high-frequency ultrasound with 70 MHz probes effectively assessed the distribution of hyaluronic acid fillers and improvements in nasolabial fold wrinkles, with significant changes in dermal thickness and wrinkle scores maintained 24 weeks after treatment.

This study utilized 3D ultra-high frequency ultrasound to effectively detect different disease phases of alopecia areata by visualizing hair follicle structures and identifying unique pathological signs, offering a promising non-invasive diagnostic tool that surpasses conventional methods.

3D ultrasound can detect hair follicle changes and disease phases in alopecia areata.

This review discusses various non-invasive methods for diagnosing alopecia areata, highlighting that trichoscopy signs like short vellus hairs and yellow dots are sensitive indicators of the condition, while advanced imaging techniques provide valuable information on hair follicle status and scalp inflammation.

In this study, researchers found that electrospun membranes with aligned surface topography advanced the immune response towards an adaptive stage and highlighted the role of T cells in hair follicle regeneration in mice, showcasing the intricate interactions between immune and skin cells.

This study found that nanoemulsion formulations with oleic acid or eucalyptol significantly enhanced the delivery and retention of caffeine through hair follicles and surrounding skin regions.

This review discusses the integration of ultrasound in dermatology for improved lesion visualization and diagnosis, highlighting recent technological advancements like handheld devices and high-frequency probes, and reports no clinical results.

This review discusses five popular resurfacing technologies for facial rejuvenation, highlighting their role in achieving smoother, healthier, and younger-looking skin, and reports no new clinical results.

In this study, topical quercetin was found to stimulate hair follicle growth and promote microvascular regrowth in mice, suggesting its potential for hair regrowth strategies.

In this study, researchers prepared a humanized CXCL12 antibody for alopecia areata treatment, finding it significantly delayed disease onset in mice and reduced immune cell activation, suggesting potential as an immune modulatory therapy.

The study suggests that commercial TV station advertising clearance policies may vary according to profitability and organization size, influencing their airtime appeal to viewers.

In this study, CD4+ non-haematopoietic, skin-resident stem cell-like populations were identified in both murine and human epidermis, suggesting they may serve as potential basal cell carcinoma precursors.

This study suggests that Dicer, but not Tarbp2, plays a crucial role in regulating the growth phase of hair follicles in bulge stem cells during post-natal development in mice.

This study concluded that the CXCL12–CXCR4 signaling pathway significantly contributes to hair loss in androgenetic alopecia and alopecia areata by promoting inflammation and fibrosis, whereas inhibiting this pathway can restore hair growth and follicle health.

In this study, the researchers found that deleting ceramide synthase 4 in the skin's epidermis alters stem cell differentiation, disrupting hair follicle structure and barrier function, potentially leading to immune responses similar to atopic dermatitis.

This study found that AP-2α and AP-2β transcription factors are crucial for maintaining adult skin homeostasis, with their inactivation in keratinocytes leading to impaired differentiation, hair abnormalities, and inflammation, highlighting their key regulatory roles.

This study demonstrated that disrupting EGFR signaling in mice leads to immune sensitivity compromising the hair follicle's protective environment, but JAK1/2 inhibition can restore this immune privilege and stimulate hair growth, suggesting a potential therapy for scarring hair loss diseases like cicatricial alopecia.

Skin-derived stem cells could help treat skin aging and pigmentation issues.

Finasteride improved hidradenitis suppurativa in kids without side effects.

This review discusses how epidermal Langerhan's cells and dermal cells may influence keratinocyte environments, potentially aiding in the formation of stem cell niches and cellular variety in the basal layer, without providing novel results.

This review highlights the increasing clinical applications of high-frequency ultrasonography in dermatology, particularly for assessing the depth of skin tumors and monitoring inflammatory skin diseases, but reports no new clinical results.

This study found that high-frequency ultrasound was effective in localizing deep tumor margins in basal cell carcinoma, suggesting its utility in selecting therapeutic approaches.

This article reviews the use of high-frequency ultrasonography to visualize nail units and scalps in dermatology, highlighting its potential benefits for disease assessment and treatment monitoring, but reports no new clinical results.

This case study observed that high-intensity focused ultrasound treatment significantly improved hair density and reduced hair loss in a female patient with androgenetic alopecia, with no adverse events reported.

This study found that using an ultrasound hollow microneedle array enhanced transdermal delivery of finasteride, accelerating hair regrowth in mice with androgenetic alopecia compared to other delivery methods.

This abstract introduces the concept of follicular units (FUs) in the human scalp but presents no new research findings.

This study reports that high-frequency ultrasound can characterize frontal fibrosing alopecia by assessing dermal atrophy, hair follicle changes, and subclinical inflammation.

Intense pulsed light with radiofrequency showed mixed results in improving quality of life for hidradenitis suppurativa patients, with no clinical improvements.

This study found that combining high-frequency ultrasound with clinical examination significantly improved the diagnostic accuracy of invisible subcutaneous lesions from 47.3% to 80.8%, especially for conditions like epidermoid cysts and lipomas, although it was less effective for rarer lesions such as dermatofibromas.