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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.

This study examined hair curvature in Japanese women, finding that 47% have curved hair, and identified structural differences in hair fiber, which resemble those in wool fibers.

This study observed that an ointment containing pine turpentine oil, larch turpentine, and eucalyptus oil showed significant improvement over placebo in lesion evolution, responder rates, and patient assessments for treating acute folliculitis, while being well-tolerated across treatments.

This study assessed a herbal hair oil made from various plant ingredients, observing it supported hair growth and maintained stability for 45 days, with the phytochemical profile indicating the presence of saponins, sulfur, and ascorbic acid.

This study found that teak leaf extract can be effective in promoting hair growth in males with androgenic alopecia; however, significant variability in steroid 5-alpha reductase inhibitory activity among samples from different geographic origins means quality control is important for consistent therapeutic potential.

This review compiles current experimental research on Alzheimer's and cognitive impairment models, highlighting the potential of *Polygonum multiflorum* for treating neurological disorders and suggesting a foundation for future clinical trials.

In this study, researchers found that exosome-like nanoparticles isolated from Polygoni Multiflori Radix can promote hair growth in mice by modulating androgen signaling and gene expression, outperforming Minoxidil in testosterone-induced conditions.

This study found that high-dose intravenous ferric carboxymaltose may reduce inflammatory activity in patients with inflammatory bowel disease and iron deficiency anaemia, as evidenced by decreased CRP levels and improved clinical disease indices.

This review discusses the potential benefits of combining herbal treatments and conventional therapies in managing PCOS and reports no new clinical results.

This study found that mahanimbicine and a crude extract of Murraya koenigii may enhance wound healing in rats by promoting faster wound contraction and higher collagen deposition.

This study found that local therapy with trichoriboside and trichosaccharide significantly increased cAMP levels in hair follicles of men with androgenic alopecia, with trichoriboside showing greater activity.

This study found that cinnamic acid stress inhibited root growth more in cucumber seedlings than in figleaf gourd, potentially due to differences in hormone content and production rates.

In this study, the herbal hair colorant formulation HD-3, with a mix of specific herbs, was most effective at coloring hair and highly accepted by volunteers.

This study suggests that the CsA-induced inactivation of the CaN/NFAT pathway may suppress TGF-β2 expression in dermal papilla cells, potentially contributing to CsA-associated hypertrichosis.

Topical sulforaphane reduces pigmentation and wrinkles from sun damage.

This study found that in male rats, hesperidin co-administration ameliorated finasteride-induced testicular toxicity by reducing oxidative stress and improving antioxidant status, sperm parameters, and enzyme activity compared to finasteride treatment alone.

This study found that hydroalcoholic extracts of Bacopa monnieri demonstrated significant antimitotic activity in an Allium cepa model, suggesting potential comparable effects to the standard drug methotrexate.

In this review, researchers highlight recent findings on the cosmeceutical applications of phlorotannins from brown seaweeds, emphasizing their promising bioactive properties since 2020.

This research on dermal papilla cells found that Sparasis crispa increased mRNA expression related to hair production and may help in hair generation cycles, but its impact on male hair loss treatment remains uncertain.

This study found that 53% of Japanese women have straight hair while 47% have varying degrees of curved hair, with distinct structural differences observed in the internal makeup of curved hair fibers.

This study found that four synthesized thiazolidinone derivatives showed potential anticancer activity against MCF7 and HeLa cell lines, suggesting their further investigation for anticancer drug development.

This study observed that applying polyamines to the skin of hairless mice stimulates thymidine incorporation, suggesting polyamines may play a role in DNA synthesis control in the epidermis.

In this randomized, placebo-controlled study, Kūlaris supplementation significantly improved quality of life for participants with mild-to-severe acne over 12 weeks, though no significant changes in general skin health measures were observed compared to placebo.

This study found that the water extract of Bituminaria bituminosa demonstrated the highest antioxidant activity and α-glucosidase inhibition among tested extracts, but no cholinesterase or tyrosinase inhibition.

This study isolated new geranylated coumarins from Mammea siamensis flowers and found that several of these compounds inhibit testosterone 5α-reductase.

This study found that Monascus cursory extraction reduced baldness, prostate hyperplasia, and tumor incidence in animal models of androgen-related diseases, suggesting it may be a promising new therapeutic candidate.

This study observed that the aqueous extract of roasted Alocasia macrorrhizos tubers led to hair follicle repigmentation and reduced epidermal thickness in a murine model of Vitiligo.

This study suggests that 5α-reduced glucocorticoids may have anti-inflammatory potential and could serve as biomarkers for liver inflammation in metabolic disease, with implications for drug development.

This review discusses the pharmacology and toxicology of cyclooxygenase in skin, highlighting its role in inflammation, wound healing, and tumorigenesis, without presenting new clinical results.

This study highlighted the potential of a natural shampoo formulated with curcumin, flaxseed oil, and lavender oil for effective hair cleansing and conditioning, though further refinement is needed to enhance its quality and efficacy.