This review synthesizes findings from 15 animal studies on alopecia, identifying key biomarkers like TNF-α and IL-6 that suggest inflammation and follicular damage, offering insights into potential targeted therapies to balance degenerative and regenerative pathways for more effective treatment strategies.
May 2026 in “Frontiers in Endocrinology” In a mouse model, this study found that exposure to PM2.5 leads to significant postpartum hair loss, apparent via morphological changes and elevated markers of inflammation, apoptosis, and fibrosis, potentially exacerbated by changes in hormone receptors and stem cell populations.
April 2026 in “Dove Medical Press (Taylor and Francis Group)” This study found that Myrtus communis leaf extract significantly decreased IL-1α and increased VEGF gene expressions in human keratinocytes, which may relate to the plant's traditional uses for hair loss and wound healing, though further research is needed to explore these effects.
April 2026 in “Dermatology and Therapy” This study reviews the efficacy and safety of advanced therapies like TNFα inhibitors and IL-17/IL-23 inhibitors for dissecting cellulitis of the scalp, finding TNFα inhibitors particularly effective for severe or refractory cases, although prospective validation is needed for early intervention benefits.
April 2026 in “SHILAP Revista de lepidopterología” In this study, Myrtus communis leaf extract significantly reduced IL-1α expression and increased VEGF expression in human keratinocytes, which the researchers suggest may be linked to its traditional use in treating hair loss and wound healing. Further investigation is needed to clarify its mechanisms.
April 2026 in “Clinical Cosmetic and Investigational Dermatology” In this study, exposure to Myrtus communis leaf extract significantly reduced IL-1α expression and increased VEGF expression in human keratinocytes, which may relate to its traditional use for hair loss and wound healing; further research is necessary to understand its mechanisms.
March 2026 in “Biomedicines” This review synthesizes current evidence on therapies for dissecting cellulitis of the scalp, noting that biologics show promise for treatment-resistant cases, though systemic retinoids remain the first-line therapy.
March 2026 in “Journal of obstetrics and gynaecology research” In this study, Ark-e-Kasni was found to alleviate PCOS symptoms in rats by restoring hormonal levels, improving insulin sensitivity, and reducing inflammation and cystic follicles, suggesting its therapeutic potential via diverse molecular mechanisms.
January 2026 in “Journal of Investigative Dermatology” This study found that human γδTregs promoted hair regrowth and restored hair follicle immune privilege in a model of alopecia areata, suggesting potential for cell-based therapy in autoimmune diseases.
January 2026 in “Springer Link (Chiba Institute of Technology)” In this study, researchers synthesized silver nanoparticles using an extract from Mitracarpus scaber and found them to have significant hepatoprotective and anti-hyperplastic effects in rats, suggesting potential for treating liver injury and benign prostatic hyperplasia.
This review discusses the approval of deuruxolitinib, an oral JAK inhibitor, by the FDA in July 2024 for treating severe alopecia areata in adults, highlighting its role as the third approved oral treatment option alongside baricitinib and ritlecitinib.
January 2026 in “E3S Web of Conferences” This study found that silver nanoparticles synthesized using Mitracarpus scaber extract showed potential hepatoprotective and anti-hyperplastic effects in rats, suggesting novel therapeutic strategies for managing liver injury and benign prostatic hyperplasia.
December 2025 in “AL-QADISIYAH MEDICAL JOURNAL” This study found that patients with alopecia areata had higher serum levels of interleukin-17 and interleukin-23 compared to healthy controls, suggesting these cytokines may play a role in the disease's pathophysiology.
December 2025 in “AL-QADISIYAH MEDICAL JOURNAL” The study conducted at Al-Diwaniya Teaching Hospital found that patients with alopecia areata exhibited significantly higher serum levels of interleukin-17 and interleukin-23 compared to healthy controls, suggesting these cytokines might play a role in the disease's pathophysiology.
December 2025 in “Nature Communications” In this study using mouse models, researchers found that elevated IL-17a in aged olfactory epithelium impairs olfactory function, while IL-17a inhibition promotes regeneration and mitigates age-related decline.
December 2025 in “International Journal of Molecular Sciences” In this study, O. forskahlii seed oil was found to promote hair growth in rats and exhibit anti-aging effects on human skin cells by enhancing fibroblast proliferation and inhibiting inflammation and enzyme activity, indicating potential for cosmetic use.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” This study found that the leaf extract of Tectona grandis and its major bioactive constituents moderately inhibit the 5α-reductase enzyme, which is linked to androgenetic alopecia, and also possess anti-inflammatory properties, showing promise as dual-action candidates for managing this condition.
November 2025 in “Journal of Investigative Dermatology” Dithranol reduces inflammation in alopecia areata by lowering certain immune responses.
November 2025 in “Scientific Reports” In this experimental study, researchers found that Notopterygii rhizoma et radix (Qiang Huo) significantly alleviated psoriasis symptoms in mice and cell models, primarily by modulating the PI3K/Akt/mTOR pathway, indicating potential as a multi-target alternative therapy for psoriasis treatment.
November 2025 in “The Journal of Dermatology” This study demonstrated that a mouse model of telogen effluvium induced by lipopolysaccharide was effective for evaluating the therapeutic effects of topical minoxidil, which accelerated hair regrowth in treated mice.
November 2025 in “Advanced Science” In this study, researchers found that a cold atmospheric plasma-activated hydrogel containing interleukin-2 significantly enhanced hair regeneration in a depilated mouse model, promoting larger hair follicles and faster hair growth phase transition, suggesting it as a potential treatment for hair loss.
October 2025 in “Dermatology Practical & Conceptual” This review discusses different types of alopecia associated with psoriasis and highlights that hair loss in psoriasis is typically non-scarring and reversible, while also noting the increased risk of alopecia areata in these patients.
September 2025 in “Texila international journal of public health” In this study, isotretinoin, an effective treatment for severe acne, was found to significantly impact hematological, inflammatory, and oxidative stress biomarkers, suggesting potential risks alongside its therapeutic benefits.
August 2025 in “International Journal of Scientific Research in Biological Sciences” In this study, women with polycystic ovarian syndrome were found to have significantly higher blood levels of DHEA, IL-6, and TNF-α compared to healthy controls.
August 2025 in “DS Reviews of Research in Life Sciences” In this study, women with polycystic ovary syndrome showed significantly higher levels of DHEA, IL-6, and TNF-α compared to healthy controls, indicating a possible link between these biomarkers and PCOS.
August 2025 in “Kuban Scientific Medical Bulletin” In this study, researchers identified immune differences in children with alopecia areata, finding that cytokine profiles vary based on the presence of atopic diseases; notably, patients with atopy showed a heightened T helper 2 response, potentially influencing cytokine expression and disease severity.
August 2025 in “Frontiers in Pharmacology” In this study, PA-011, a traditional Chinese medicine extract, was shown to improve hair growth in alopecia areata model mice by reducing skin inflammation and altering skin microbiota, indicating its potential therapeutic role for this condition.
July 2025 in “Journal of Investigative Dermatology” This study found that autologous Foxp3+ γδTregs, when tested in human scalp hair follicle models and mouse xenotransplants, can both prevent and treat alopecia areata by reducing immune privilege collapse and lymphocytic infiltration, suggesting their potential as a novel cell-based therapy for the disease.
July 2025 in “JURNAL BIOLOGI TROPIS” In this animal study, the researchers reported that a shampoo containing 2.5% teak leaf extract and 0.30% virgin coconut oil significantly increased hair growth rate and reduced hair loss in mice, suggesting potential benefits for addressing hair loss.
June 2025 in “Academic Medical Journal” This review discusses the mechanisms underlying the collapse of hair follicle immune privilege in alopecia areata and emphasizes the importance of therapeutic strategies aimed at restoring immune tolerance.