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This study found that cow placenta extract increased hair follicle size and hair length in mice but was less effective than minoxidil, suggesting potential with further refinement.

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.

This study found that in women with PCOS, suppressive therapy using spironolactone plus oral contraceptives improved hirsutism more effectively than either treatment alone, with initial scores predicting success.

This review discusses the role of oestrogens in stimulating linear bone growth and pubertal changes in both boys and girls, highlighting their influence on the growth hormone-insulin-like growth factor axis; it reports no new clinical results.

This study found that medroxyprogesterone injections led to partial or complete hair regrowth in some Pomeranian dogs with alopecia X, though their IGF-1 levels remained unchanged.

In this study, researchers identified a number of differentially expressed genes that may influence wool growth in Aohan fine wool sheep, offering insight into the genetic regulation of wool quality and yield.

This review analyzed 17 recent clinical trials on platelet-rich plasma for androgenetic alopecia but reports no new clinical results; the authors seek a consensus on optimal PRP use.

This study found that Gyungohkgo-gamibang extract and minoxidil both significantly stimulated hair growth and increased hair density and thickness in C57BL/6 mice compared to a vehicle treatment.

This study indicates that Samhwang-Sasimtang ethanol extract may promote hair growth in a mouse model, showing stronger effects than a control but less than 3% minoxidil.

In this study, researchers developed and optimized squarticles containing rosuvastatin calcium and found that they promoted hair regrowth in rats within 10 days, showing superior results compared to the standard minoxidil treatment.

This study found that lavender oil increased hair growth-related enzyme activity and cytokine expression, indicating potential hair growth-promoting effects in C57BL/6 mice.

In this mouse study, researchers found that orally administered low-molecular-weight fish collagen peptides significantly improved hair regrowth by both enhancing growth-promoting pathways and reducing inhibitory mechanisms.

In this study, a 10% fermented Glycine max compound was found to promote faster hair growth and follicle formation in mice compared to 3% minoxidil, suggesting potential as a hair health supplement.

In this mouse study, researchers found that nanoparticles loaded with umbilical cord-derived stem cell membranes and minoxidil enhanced hair growth by improving drug solubility and transdermal delivery, increasing VEGF, IGF-1, MKI67, and CTNNB protein levels in skin tissue compared to regular minoxidil.

In this animal study, rosehip seed oil applied to the skin of mice promoted hair regrowth by accelerating hair follicles' transition from resting to growth phases and increased hair follicle density, bulb size, and skin thickness, suggesting potential as a treatment for hair loss.

In this study, researchers reported that IL-17C plays a key pro-inflammatory role in human skin diseases and may be a promising therapeutic target for inflammatory skin conditions.

Different cells affect hair follicle blood vessels, endothelial cells react differently to inflammation and oxidized fats, and prasugrel better protects heart vessels during a procedure than clopidogrel.

This study found that protein extracts from embryonic skin can induce hair follicle neogenesis in mice by activating insulin/IGF signaling in adult fibroblasts.

Hair loss improved after removing pituitary tumor.

This review discusses the complex relationship between anabolic substances and colorectal cancer risk, reporting ambiguous findings on their carcinogenic properties, potential synergy with risk factors, and protective roles.

This study reports that a 30% ethanol extract of a plant mixture enhanced hair growth in human hair dermal papilla cells and mice, suggesting potential use in hair growth products.

In this study, Gyungohkgo-gamibang extract significantly stimulated hair growth and increased hair density and thickness in an alopecia model of C57BL/6 mice, indicating its potential as a hair growth tonic.

In this study, a medicated hair growth tonic containing RJ extract increased hair counts, the proportion of anagen phase hairs, and scalp moisture in human trials, although the specific role of RJ in hair growth remains unclear due to other active ingredients.

This study found that the expression of IGF-1 receptor was significantly reduced in women with female androgenetic alopecia compared to healthy controls.

In this study, the alcoholic extract DN106212 from Centipeda minima was shown to be more effective in promoting hair growth in C57BL/6 mice compared to dimethyl sulfoxide and tofacitinib, suggesting its potential as a natural hair growth agent.

This study found that in mice, the combination of azelaic acid and vitamin B6 enhanced hair regrowth, follicle elongation, and thickness more than individual treatments.

This study observed that IGF-1R expression significantly decreased in basal keratinocytes of sacrococcygeal pilonidal sinus tissues, suggesting a potential role in its etiology, although further data are needed to evaluate its treatment implications.

This study found that stimulating the olfactory receptor OR2AT4 in human hair follicles with a synthetic sandalwood odorant promotes hair growth ex vivo by decreasing apoptosis and increasing IGF-1 production.

In this study, researchers found that overexpression of IGF-1 in transgenic mice stimulated increased vibrissa growth during the first neonatal hair cycle compared to their nontransgenic littermates.

This study found that the topical application of a mixture of Platycladus orientalis leaf extract and α-terpineol promoted hair growth in mice by inducing early anagen transition and increasing growth factor expressions.