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In this case study from King Fahad University Hospital, an 11-month-old Saudi boy with a history of short, non-growing hair was diagnosed with autosomal recessive woolly hair/hypotrichosis, attributed to a homozygous mutation in the LIPH gene.

The laser therapy device effectively increased hair growth in people with androgenetic alopecia.

This study successfully cloned and characterized the LEF-1 gene from Inner Mongolia Cashmere Goats, potentially aiding efforts to enhance cashmere production through genetic modification.

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 study reported that the absence of Lsh in skin led to significant epidermal hyperplasia and altered gene expression, suggesting its crucial role in regulating epidermal proliferation, differentiation, and wound healing.

Laser Lax is a new tool that measures scalp looseness accurately and comfortably.

This study identified a mutation in the keratin 71 gene that causes curly hair in certain rats, advancing our understanding of hair formation.

This review discusses clinical studies on low-level laser therapy for various types of hair loss and suggests it may be promising for those unresponsive to conventional treatments, but reports no new clinical results.

This study found that the pH levels of relaxers tested were corrosive to the skin and may contribute to alopecia in females with afro-textured hair.

Fermented Liriope platyphylla helps hair grow in mice with hair loss.

This study found that ringtailed lemurs consuming leucaena in Berenty absorb mimosine, which causes alopecia without affecting body condition or organ toxicity; this may increase infant mortality due to alopecic mothers.

LRIG1 protein affects hair growth by regulating skin receptors, leading to hair loss when overexpressed.

This study concluded that low energy laser therapy may effectively complement classical treatment for scalp alopecia, leading to faster results, although long-term maintenance still requires ongoing classical therapy.

In this study, LEON gel—an innovative nanoliposome-based delivery system for lavender essential oil—showed significant hair growth acceleration in male white rats without causing irritation, suggesting enhanced effectiveness compared to traditional essential oil use.

In this research, LEF1 was identified as a crucial transcription factor for submucosal gland development in mouse and ferret tracheas, though it requires other factors to induce gland formation.

In this study, ritlecitinib, an oral medication approved for adolescents and adults, significantly reduced scalp hair loss and promoted eyebrow and eyelash regrowth in severe alopecia areata patients, with benefits sustained over 48 weeks and generally well-tolerated minor side effects.

New therapy helps treat hair loss.

This study reports no new findings but provides corrected figures for the long-term safety and efficacy of ritlecitinib in treating alopecia areata from the ALLEGRO-LT phase 3 study.

This study found that Lrig1-positive cells in mouse epidermis are a previously unidentified source of adult interfollicular epidermal stem cells, which can contribute to sebaceous gland and epidermal lineage formation.

This study discovered a novel interaction between the vitamin D receptor and LEF1, essential for normal Wnt signaling in keratinocytes, which is crucial for regular hair cycling.

Under the conditions of this research, Leucaena was generally unpalatable for heifers, caused health issues like goitre and hair loss, and did not significantly increase fertility or productivity.

This review discusses the applications of low level laser therapy (LLLT) in wound healing, pain reduction, and treating various conditions, but reports no new clinical results; the authors highlight the need for randomized controlled trials for serious diseases.

This review examines clinical trials on low-level laser therapy for pattern hair loss but reports no definitive conclusions, highlighting the need for more controlled studies to resolve uncertainties.

This review examines the trichoscopic characteristics of scalp DLE and LPP, correlating these findings with histopathological data, but provides no new clinical results.

In this study, researchers analyzed skin samples from Dorper sheep to identify 395 differentially expressed long non-coding RNAs (lncRNAs) linked to hair follicle growth phases, suggesting these lncRNAs may play a role in the regulation of hair shedding through pathways like estrogen and PI3K-Akt signaling.

This paper presents diagnostic characteristics obtained from various analytical methods to support the pharmacognostic standardization of Lawsonia inermis L. leaf, commonly known as henna.

This study found a significant relationship between lash ptosis severity and marginal reflex distance, levator function, and double fold presence in Asian patients, which may inform surgical planning for upper eyelid procedures.

This study found that bovine lactoferrin promotes hair growth in mice by enhancing dermal papilla cell proliferation through the Erk/Akt and Wnt signaling pathways.

This article describes the development milestones and recent approvals of ritlecitinib for treating severe alopecia areata, with approvals in the USA and Japan and ongoing regulatory reviews in other regions.

This study isolated and identified three natural compounds—syringaresinol, mayuenolid, and ciwujiaton—from Leersia hexandra, a traditional liver treatment used in Huyện Tam Nông, Đồng Tháp, using advanced chromatography and spectroscopy techniques.