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This study found that both crude Spirulina extract and C-phycocyanin showed similar effects on keratinocyte proliferation and wound healing, with C-phycocyanin performing better in tissue regeneration in vivo on the 7th day.

The researchers reported that a novel leave-on treatment containing caffeine, niacinamide, panthenol, dimethicone, and an acrylate polymer significantly increased the diameter and improved the mechanical properties of scalp hair fibers, suggesting it may help mitigate thinning hair.

This study found that 54% of participants with androgenetic alopecia using Ricapil® showed clinical signs of hair follicle reactivation and initial hair regrowth over three months.

In this study, norgalanthamine was found to stimulate hair growth in cultured rat dermal papilla cells by activating the ERK 1/2, PI3K/AKT, and Wnt/β-catenin signaling pathways.

This study found that Platycladus orientalis flavonoids may reduce oxidative damage and slow melanin degradation in AGA-affected hair, improving its quality.

This study observed that both polynucleotides (PN HPT™) and platelet-rich plasma (PRP) improved hair density and quality in men with androgenetic alopecia, with comparable outcomes and no significant adverse events.

This study found that a combination of curcumin and piperine demonstrated moderate antioxidant activity, negligible cytotoxicity, and significant potential for promoting hair regrowth in rat models of alopecia, suggesting it could be a safe and effective natural alternative for managing hair loss.

In this study using rat models, researchers developed a Pluronic@F-127 hydrogel to deliver the flavonoid pectolinarin, finding it accelerates wound healing and reduces scar formation by enhancing cell migration, proliferation, and antioxidant activity.

In this study, 1'-S-1'-acetoxychavicol acetate (ACA) from Alpinia galanga showed potential in suppressing testosterone-induced hair loss by inhibiting Nox isozymes in a mouse model of androgenetic alopecia.

This review highlights pigment epithelium-derived factor's roles in ageing and development, focusing on its antioxidant functions and support of stem cell survival, but reports no new experimental results.

In this study, a 0.5% addition of TPGS to topical minoxidil solutions increased hair growth in mice, but higher concentrations reduced this benefit.

This study found that a 2% polyherbal phyto-complex cream containing aqueous extracts of Trichosanthes cucumerina and Abrus precatorius effectively promoted hair growth in preclinical tests, comparable to minoxidil 2%.

Diphencyprone initially increases mouse hair growth, then slows it, possibly due to changes in specific protein levels.

In this study, researchers reported that a combined formulation of curcumin and piperine in niosomal nanoparticles shows promise as a treatment for paraquat-induced lung toxicity, potentially due to improved bioavailability and strong antioxidant properties.

In this study, researchers isolated new compounds from the plant *Calanthe cardioglossa* and found that five of these compounds, particularly calancardin B, significantly reduced TNF-α levels in immune cells relevant to multiple sclerosis, suggesting potential for immunomodulatory effects.

This study reports that while DCP had similar treatment efficacy in propylene glycol and isopropanol for alopecia areata, the formulation in isopropanol was better tolerated.

In this study, PGD2 was shown to increase testosterone production in human keratinocytes through reactive oxygen species, suggesting potential benefits of antioxidants like N-acetyl-cysteine for AGA patients.

This review discusses the potential of polydeoxyribonucleotide (PDRN) for various dermatological treatments and highlights its significant effects on wound healing, anti-aging, acne scars, and hair loss, but emphasizes the need for further clinical studies.

This study explored the molecular mechanisms by which Polygonum multiflorum may treat androgenic alopecia, suggesting it influences cell apoptosis and inflammation through specific pathways, with potential application value pending further testing.

This review analyzes PDRN's molecular mechanisms and therapeutic applications in anti-aging dermatology but reports no new clinical results, highlighting the need for more standardized protocols and long-term evaluations.

This review discusses the mechanisms associated with protoporphyrin IX in living cells and reports no clinical results; the authors emphasize its potential in cancer diagnosis and the risks of toxicity.

In this study, researchers found that topical apigenin promoted hair growth in a testosterone-induced alopecia mouse model, with effects comparable to minoxidil, suggesting a potential treatment approach for androgenetic alopecia through the Wnt signaling pathway.

This study found that fractions of Tridax procumbens extract demonstrated significant antioxidant activity, comparable to standard ascorbic acid, in laboratory tests.

This study found that Argan press cake extracts stimulated hair growth and reduced inflammation and oxidative stress in human hair follicle dermal papilla cells, suggesting potential for anti-hair loss drug development.

This study identified a cytochrome P450 enzyme, CYP-pa1 from Pseudonocardia autotrophica, as responsible for the specific hydroxylation of cyclosporin A at the 9th N-methyl leucine, suggesting potential for biotechnological applications.

This study found that incorporating 0.5% TPGS into topical minoxidil solutions enhanced hair growth in mice, although increasing TPGS to 2% decreased effectiveness.

This study found that minoxidil is bioactivated through sulfation by the phenol-sulfating form of phenol sulfotransferase in human liver.

This systematic review found that mangkokan leaf formulations, especially ethosomal gel or phytosome lotion at 25% concentration, were most effective in stimulating hair growth and improving hair health through various biological mechanisms.

This study found that a solution containing 0.5% Camellia japonica placenta extract increased scalp moisture and reduced sebum content, dead keratin, and erythema in adult females, suggesting potential as a scalp treatment.