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In this systematic review and meta-analysis, the authors examined single-spin versus double-spin centrifugation protocols for PRP in patients with androgenic alopecia and found no significant difference in platelet concentration, hair density, or hair types between the protocols.

This study found no significant differences in platelet concentration or hair growth outcomes between single-spin and double-spin PRP centrifugation methods for treating androgenic alopecia, suggesting that the simpler single-spin approach may be preferable.

In this systematic review and meta-analysis, the researchers found no significant difference in platelet concentration, hair density improvement, or changes in terminal and vellus hair rates between single-spin and double-spin PRP centrifugation protocols in treating androgenic alopecia.

This study found that both single- and double-spin PRP preparation methods significantly increased thrombocyte counts and improved hair parameters in males with androgenetic alopecia, with the single-spin method showing a more significant increase in thrombocyte count.

This study found that the efficacy of platelet-rich plasma in treating androgenetic alopecia is higher with increased frequency of sessions, chemically-activated PRP, double centrifugation, and whole-head application, among younger and female patients.

This study found significant variability in the production and use of platelet-rich plasma and related products in Brazil, highlighting the need for regulatory measures to ensure safety.

This study suggests that platelet-rich plasma may provide short-term improvement in hair density for female pattern hair loss, but results varied and more rigorous trials are needed to establish optimal protocols.

This review found that while platelet-rich plasma shows potential benefits for hair restoration, there is a lack of standardized preparation and treatment protocols, necessitating further rigorous trials.

This study found that in a specific setup, the syringe method of platelet-rich plasma preparation was more effective for platelet increment and sterility compared to the tube method.

In this in vitro study, simple centrifugation with calcium gluconate activation led to a significantly higher release of PDGF-BB in PRP compared to other methods, which may inform improved clinical PRP preparation protocols.

The study concluded that the Exprecell™ device for preparing anticoagulant-free f-PRF increases volume yield and simplifies the process while maintaining biological activity comparable to conventional methods, suggesting potential clinical utility.

Both methods improve hair density and thickness; double-spin may be more effective.

This study found that a centrifugation protocol of 1300 rpm/246 g for 20 minutes followed by 1600 rpm/373 g for 20 minutes achieved the highest platelet yield in platelet-rich plasma.

This study found that platelet-rich plasma significantly increased hair density and anagen hair proportions in androgenetic alopecia patients, suggesting potential as an adjuvant therapy.

In a double-blind clinical trial, this study found that a gel containing chitosan-coated spironolactone nanoparticles effectively reduced acne lesions over 8 weeks without adverse skin effects, suggesting potential for enhanced acne treatment through targeted skin delivery.

This study found that both single and double spin platelet-rich plasma methods significantly reduced chronic ulcer surface area, with single spin showing notable healing improvements.

This study found that platelet-rich plasma significantly increased hair count, density, and the percentage of anagen hairs in patients with androgenetic alopecia, but these improvements did not correlate with platelet or growth factor levels.

In this randomized clinical trial, the authors reported that adipose-derived stem cell constituent extract topical solution increased hair density and thickness in patients with androgenetic alopecia over 16 weeks compared to placebo.

PRP treatment increased hair density, especially in men and younger patients with AGA.

This study found that gQlab probiotics improved overall IBS symptoms, particularly in female and constipation-predominant patients, compared to placebo after 4 weeks of treatment.

In this study, platelet-rich plasma treatment improved hair regrowth and characteristics in mice and showed therapeutic efficacy in Chinese patients with androgenetic alopecia.

This review discusses different processing methods for isolating human AD-SVFs/AD-MSCs using various kits and reports no new clinical results, highlighting the need for standardized preparation techniques.

This study found that platelet-rich plasma significantly increased hair diameter in both men and women with androgenetic alopecia but improved hair density only in men.

This review discusses platelet-rich plasma therapy for nonscarring alopecia and reports no new clinical results; the author recommends more large-scale controlled studies, particularly for scarring alopecia and symptom control.

This review covers the variability in methods for preparing platelet-rich plasma and reports no new clinical results, suggesting that this variability may contribute to inconsistent efficacy in clinical trials.

This study found that platelet-rich plasma combined with topical minoxidil was more effective in increasing hair density for male-type baldness than either treatment alone.

This study found that polyamines enhance genome integrity by facilitating homologous recombination-mediated DNA repair, suggesting a novel role for polyamines beyond promoting cell growth and proliferation.

This review discusses the use of platelet-rich plasma in cosmetic surgery, highlighting its expanding applications and promising potential in aesthetic treatments, but reports no new empirical findings.

This study found that platelet-rich plasma treatment effectively decreased hair fall and increased hair growth in male patients with androgenetic alopecia.

In this study, activated platelet-rich plasma improved hair density and thickness in patients with androgenetic alopecia, with higher platelet counts enhancing these effects over time.