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This study introduced a noninvasive spectroscopy method to assess hair follicle stages in mice by measuring skin diffuse reflectance and melanin dynamics, offering a potential tool for hair regeneration research.

Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.

This study found that UVB radiation primarily causes hair protein loss, while UVA radiation mainly contributes to hair color changes, with no significant differences in mechanical properties observed between photooxidized and non-irradiated hair.

This paper reviews hair loss associated with various endocrine disorders and describes both traditional and emerging non-invasive diagnostic methods without presenting any new clinical results.

Advanced imaging techniques are crucial for accurately diagnosing Monilethrix, a rare hair disorder.

This case report describes a 21-year-old male who experienced sertraline-induced diffuse hair loss that improved after discontinuing the medication.

This case report describes how a 23-year-old woman experienced eyebrow thinning and hair loss linked to cosmetic use, with diagnostic tests confirming follicular damage. Discontinuing the product led to eyebrow regrowth, highlighting potential risks from cosmetics and the value of non-invasive diagnostics for evaluation.

Reflectance confocal microscopy can tell apart white dots on the scalp as either sweat gland ducts or hair follicle openings.

This study identified specific reflectance confocal microscopy features that help differentiate scarring from non-scarring alopecia, providing a non-invasive diagnostic tool.

In this case report, narrowband-UVB phototherapy successfully treated a rare instance of Graham Little-Piccardi-Lassueur syndrome, a variant of lichen planopilaris, as investigated through non-invasive imaging techniques.

This study suggests that RCM may be a promising non-invasive diagnostic tool for alopecia areata incognita, showing substantial agreement with histopathology while noting some discrepancies.

Reflectance confocal microscopy can noninvasively diagnose onychomatricoma by showing unique features different from healthy nails or nail fungus.

Examining scalp biopsies in different ways helps better diagnose hair loss types.

The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.

This study employed a laser-based method to analyze how light reflection patterns vary on human hair fibers, revealing changes related to hair color and the tilt of the cuticle cells.

This review discusses skin diseases related to contraceptive use, reporting potential issues with oral contraceptives and infrequent reactions to mechanical or barrier methods without new clinical findings.

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.

A young man was unexpectedly diagnosed with basal cell carcinoma after a scalp examination and confocal microscopy.

This review updates on various methods for hair and scalp examination, encompassing non-invasive, semi-invasive, and invasive techniques, and reports no new results.

This review discusses how menopause and hormone replacement therapy affect skin aging in women but reports no new clinical findings.

This study observed that skin pigmentation significantly attenuates bioluminescent signals in C57Bl/6 mice, complicating quantitative optical imaging and requiring consideration in experimental design.

This review explores new theories, diagnostic tools, and management strategies for primary cicatricial alopecia but reports no new clinical findings.

This review article examines the current understanding of frontal fibrosing alopecia, noting its prevalence in different demographics and the roles of genetic and environmental factors in its pathogenesis, while highlighting that treatment approaches remain varied and lack standardization.

This review discusses the strong correlation between reflectance confocal microscopy images and horizontal histopathology in diagnosing skin tumors, highlighting the reliability of this non-invasive technique; no new clinical results are reported.

This study found that the medulla of Japanese hair contains unsaturated lipids such as squalene and oleic acid, which may contribute to hair glossiness.

This study found that RCM combined with dermoscopy can differentiate disease states between alopecia areata, tinea capitis, nevus sebaceous, and linear scleroderma of the scalp by identifying distinct dermal and follicular patterns.

This systematic review provides an in-depth evaluation of non-invasive imaging and biophysical methods for diagnosing and monitoring vitiligo, emphasizing the need for studies with larger sample sizes to verify their use in clinical practice and research.

This study found that both reflectance confocal microscopy and optical coherence tomography can visualize detailed hair follicle abnormalities in various skin disorders, but larger, higher-quality studies are needed for clinical implementation.

This report describes a case where rituximab provided durable remission in a patient with refractory aggressive diffuse B-cell lymphoma that was unresponsive to prior chemotherapy.

In this study, a new shading model for hair was developed that better matches real-life light scattering, thanks to detailed new measurements of hair fiber scattering not predicted by existing models.