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This study found that ginsenoside Rg3 significantly inhibited melanogenesis in human melanocytes and B16F10 cells by activating the ERK pathway, suggesting potential as a skin-whitening agent.

In this study, 13-cis-5S*,8S*-epidioxy-5,8-dihydroretinoic acid was found to be significantly more cytotoxic to cancer cell lines than other retinoic acid analogs evaluated.

This review discusses the mechanisms by which isotretinoin and hormonal therapy treat acne through their effects on sebaceous glands, reporting no new clinical results.

In this study, the combination of SCF and ET-1 was found to significantly enhance skin pigmentation and melanin content in human skin xenografts on SCID mice compared to either treatment alone.

This article reviews the potential neuroprotective effects of 17α‐estradiol in neurodegenerative diseases and highlights its possibly lower toxicity compared to more feminizing hormones, but it reports no new clinical findings.

This study concluded that blood donors on certain medications can donate blood products with less than 50 ml single-donor plasma for adult use without deferral, except for those taking specific medications like retinoids and genotoxic drugs.

This study found that phenyl-imidazole sulfonamide derivatives, particularly ISCK03, inhibited c-kit signaling and promoted depigmentation in various experimental settings, suggesting potential use as skin-whitening agents.

This review discusses the negative effects of anabolic androgenic steroids on various organ systems in men and reports no new results, highlighting the need for physician awareness.

This review discusses consensus guidelines for the use of acitretin in psoriasis, highlighting its ongoing utility in both mono and combination therapies, despite not always being recognized in treatment guidelines.

This study concluded that alopecia is a rare side effect of SSRIs, with sertraline showing a higher association compared to citalopram, particularly among women.

This study found that royal jelly may have a cardioprotective effect against paclitaxel-induced damage in rats by reducing oxidative and nitrosative stress, lowering cardiac biomarker levels, and mitigating heart tissue injuries.

This study found that androgenic steroids, particularly androstenedione and androstanedione, significantly reduced the growth of certain dermatophytes, suggesting hormonal influence on fungal infections in hair follicles.

This study found that human outer root sheath cells express VEGF receptor-2, and exogenous VEGF165 significantly stimulates their proliferation through activation of the ERK signaling pathway.

This study found that an 8-week stress management program significantly reduced perceived stress and improved glycemic control in patients with type 2 diabetes.

This study found that CI-1033 caused skin lesions in rats that resemble effects seen in humans receiving EGF receptor inhibitors, suggesting this animal model can help explore the mechanisms behind this cutaneous toxicity.

This study found that ginsenoside Rg3 up-regulates vascular endothelial growth factor expression in human dermal papilla cells and mouse hair follicles, suggesting its potential role in promoting hair growth.

This study found that Ganoderma lucidum extracts showed weak 5alpha-reductase inhibition but significantly inhibited prostate cell proliferation and testosterone-driven prostate growth in rats, suggesting potential as an ingredient for treating androgen-induced diseases.

Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.

This study found that golden silk mature silkworm powder improved cognition and neuron proliferation in mice, potentially by enhancing mitochondrial function and countering scopolamine-induced amnesia.

This study suggests that miRNAs, particularly miR-195-5p, may regulate the loss of hair follicle inductivity in cultured dermal papilla cells by suppressing the Wnt/β-catenin pathway.

This study found that Grateloupia elliptica extract may help treat hair loss by promoting dermal papilla cell proliferation, inhibiting 5α-reductase, and reducing inflammation in various cell types.

This study describes three cases of acneiform eruptions from EGFR inhibitors that improved with topical recombinant human EGF, suggesting its potential as a treatment option for this side effect.

In this study, researchers developed a sensitive LC–MS–MS assay to measure 3α-androstanediol levels in rat plasma and observed that testosterone raises these levels via a 5α-reductase pathway.

This study found that in a mouse model, alopecia areata was associated with changes in heart structure, biochemistry, and gene expression linked to cardiac hypertrophy after ACTH exposure.

Human hair follicles can be used to create skin-like tissue for wound healing and drug testing.

This study found that linoleic acid from Malva verticillata seed extracts may promote hair follicle cell growth and counteract hair loss signaling in a lab setting.

In this animal study, the methanolic extract of Crataeva nurvala leaves was found to possess sedative and anxiolytic properties, potentially linked to GABAergic activity and certain neuroactive compounds.

This study developed a pharmacokinetic/pharmacodynamic model for finasteride, concluding that finasteride's nonlinear pharmacokinetics are likely due to its saturable binding to 5alphaR2.

This study found that Polygonum multiflorum extract may promote hair growth by increasing anagen duration and activating dermal papilla cells in human hair follicles, as observed in cultured cell models.

This study found that bee venom promoted hair growth in mice and inhibited a key enzyme involved in testosterone conversion, suggesting its potential as a 5α-reductase inhibitor and hair growth promoter.