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This study found that adipose-derived stem cell exosomes promoted hair follicle regeneration in mice, resulting in a higher number of regenerated hairs and follicles compared to the control group.

This study found that the MXD/HP-β-CD GEL formulation promoted greater hair growth and improved gene expression related to hair growth in male rats compared to MXD solution or control groups.

In this study, 33% of mice treated with polyphenol extract from green tea showed significant hair regrowth, while no control group mice exhibited hair growth.

This review discusses attempts to confirm low-dose effects in rodent endocrine studies and reports no findings; variability in control groups hinders demonstrating weak effects.

This study found that patients with mycosis fungoides have higher levels of cardiovascular risk markers, suggesting an increased cardiovascular risk in this group compared to healthy controls.

This study concluded that PCOS patients, regardless of weight, have significantly lower serum amylin levels than healthy BMI-matched controls, while serum preptin levels did not vary significantly between groups.

This study found higher concentrations of chromium, lead, and arsenic in the hair of workshop workers and traffic officers compared to a control group, indicating occupational exposure to these metals. Mercury levels varied across exposed groups, suggesting additional lifestyle factors may influence metal accumulation.

This study found that a silver ion cross-linked thiolated protein hydrogel, O3G7, significantly enhanced acute wound healing in mice by increasing collagen content, neovascularization, and reducing inflammation markers compared to a control group.

This study found that in women with alopecia, anxiety levels significantly decreased with temgikoluril alongside standard therapy over 12 weeks, enhancing emotional well-being and treatment satisfaction compared to the control group receiving only standard therapy.

This study found that patients with thyroid dysfunction were more likely to experience skin disorders such as chronic idiopathic urticaria, vitiligo, and alopecia areata compared to a control group.

This study found that a proniosomal gel formulation of finasteride increased anagen hair count in male volunteers with androgenic alopecia by 42.85% compared to the control group.

In this study, tofacitinib was found to be a promising treatment for adolescents with alopecia areata, showing significant hair regrowth in most patients with mild adverse effects, despite limitations like small sample size and lack of control group.

This study developed a multifunctional bilayer dressing containing nanosilver and basic fibroblast growth factor, which improved wound healing by preventing bacterial penetration, promoting angiogenesis and hemostasis, and accelerating cell proliferation and migration, outperforming a control group by increasing healing rates by 47% in vivo.

This study found that microinfusion of 0.5% minoxidil in the scalp led to a significant reduction in diastolic blood pressure, indicating systemic absorption, while the control group experienced a rise in systolic pressure possibly due to procedural pain.

This study found that injecting Platelet-Rich Plasma into the anastomotic line during low anterior resection for rectal cancer eliminated anastomotic leakage, reducing its incidence from 13.3% in the control group to 0% in the PRP group.

In this study, topical application of 5% minoxidil significantly increased hair follicle density in a mouse model of androgenetic alopecia, as evidenced by a rise in density from 24.00 in the control group to 40.14 in the treatment group.

In this study with hair-loss-induced rats, topical minoxidil treatment was found to have antioxidant effects in the skin and blood, decreasing oxidative stress markers over a 21-day period, without showing significant hair growth improvement compared to the control group.

This systematic review of five studies found that intradermal and intramuscular botulinum toxin injections showed promising hair growth outcomes for men with androgenic alopecia, but emphasizes caution due to a lack of control groups and small sample sizes.

In this study, herbal extracts were associated with increased hair regrowth in mice when compared to the negative and vehicle control groups, potentially due to enhanced activity of certain enzymes and growth factors.

This study evaluated an herbal emulgel formulation containing extracts from Wedelia chinensis and Cassytha filiformis for hair growth promotion in rats, finding that the combined formulation significantly increased hair growth compared to both individual extracts and the control group.

This study observed that Globularia alypum L. ointment significantly boosted hair growth in female albino rats, increasing hair length more than the control group after 20 days, without showing toxicity even at high doses.

This study found that local heterologous leukocyte-rich platelet-rich plasma improved distal skin flap viability in rats by reducing necrosis compared to the control group.

This study found that post-COVID syndrome symptoms persisted and were more common in individuals who had recovered from COVID-19 compared to uninfected controls in Kerala, though both groups showed significant symptom burdens.

This study observed that patients using a novel topical combination of finasteride and minoxidil for male androgenetic alopecia reported high satisfaction and good tolerance, with few side effects and no need for higher-level care, despite limitations such as retrospective data and no control group.

In this study, researchers developed an optimized formulation of a traditional ethnomedicinal recipe from East Nusa Tenggara, which demonstrated strong antioxidant activity and significantly enhanced hair growth in a mouse alopecia model, compared to control groups.

This study evaluates the efficacy and safety of a higher dose (100-mg) of ritlecitinib for treating severe alopecia areata, comparing it to external and synthetic placebo control groups.

This study found that individuals taking valproate had a higher incidence of hair loss and reported an association between valproate levels, reduced biotinidase activity, and hair loss, compared to a control group.

This study found that when applied for 24 hours, a polyherbal formulation made from Ficus religiosa and Abrus precatorious promoted more significant hair growth in Male Wistar rats than Minoxidil and the control group, and the extracts also exhibited notable antibacterial activities.

This study found that the peptide TSN6 increased epidermal thickness and promoted hair follicle formation in dermal–epidermal composites grafted onto nude mice, with TSN6-treated composites showing more hair follicles and retained grafts compared to control groups.

In this small, non-randomized study, researchers reported that injecting hair-follicle-derived stem cells into the scalps of androgenetic alopecia patients improved hair density and caliber compared to a control group, suggesting potential efficacy of this approach; however, larger, randomized studies are needed to confirm these findings.