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Lactiplantibacillus plantarum ZJUIDS51 can help regrow hair and improve scalp health in androgenic alopecia.

This study explored the potential of the lysate and lipoteichoic acid from Lactiplantibacillus plantarum APsulloc 331261 to improve scalp seborrheic dermatitis by modulating inflammatory and lipogenesis pathways in vitro, suggesting potential as a natural treatment option.

In a study using mice, researchers observed that Cacumen platycladi fermented with Lactiplantibacillus plantarum CCFM1348—both as postbiotics and synbiotics—promoted hair growth, potentially by engaging the Wnt/β-catenin signaling pathway and enhancing growth factor expression.

In this study, researchers found that while applying a lotion containing Lactiplantibacillus plantarum subsp. plantarum N793 did not improve hair density overall compared to placebo, it was effective in improving hair density among individuals with relatively mild hair thinning.

In a non-blinded study with 12 Japanese participants, applying a lotion containing Lactiplantibacillus plantarum N793 to the scalp for 24 weeks significantly increased hair density and reduced hair loss, with participants reporting improvements in hair thickness and volume, and the treatment deemed safe.

This study found that fermenting Dendrobium officinale with Lactiplantibacillus plantarum CCFM8661 and other strains increased polysaccharide yields and skin care activity, particularly with CCFM8631, which showed significant improvements in skin cell protection and inflammation reduction in both cell cultures and mouse models.

This review highlights how disruptions in the host microbiome can worsen inflammation and infection-related pathology, while it remains unclear exactly how the microbiome helps resolve such inflammation, potentially impacting future treatments for infection-induced inflammatory diseases.

This study found that a combination of probiotic strains of Lactiplantibacillus administered over 16 weeks reduced the number and density of telogen hairs in individuals with androgenic alopecia, while increasing the abundance of Lactobacillus in their gut microbiota.

Lacto-fermentation changes amino acid profiles in bovine colostrum, but results are inconsistent.

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.

This review suggests that the gut microbiome and metabolome may play a significant role in alopecia areata and emphasizes the potential of targeting these factors for improved prevention, diagnosis, and treatment strategies for this skin condition.

This systematic review reported that probiotics, prebiotics, synbiotics, postbiotics, and dietary supplements may improve hair density and reduce dandruff severity in individuals with scalp disorders, potentially by modifying inflammation, oxidative stress, and microbiota composition; however, variability across studies limits the strength of these conclusions.

This study assessed three lactic acid bacteria-fermented proteins and found that F-WPI and F-SPI could normalize osteoclastogenesis markers in vitro, while F-SPI enhanced osteoblastogenesis markers, suggesting potential as dietary supplements for osteoporosis prevention, though further research into mechanisms is needed.

This study reviews previous research on Lawsonia inermis Linn., commonly known as henna, to evaluate its potential for enhancing wound healing, given concerns about the adverse effects and resistance associated with synthetic antibiotics and antimicrobials.

This review assessed dermo-cosmetic treatments using prebiotics, probiotics, synbiotics, and other biotics for acne and scalp disorders, finding potential benefits, especially with multi-strain or synbiotic formulations, although challenges like formulation stability and the need for larger trials persist.

In a DNFB-induced mouse model of atopic dermatitis, this study found that both topical and oral formulations of the probiotic Bifidobacterium animalis J12 improved AD symptoms through distinct mechanisms, with topical applications reducing local inflammation and oral administration enhancing gut microbiota and reducing systemic inflammation.

In this study, consuming a healthy, plant-based diet was associated with reduced skin inflammation and improved overall skin health, while the potential benefits of probiotics, synbiotics, and postbiotics for skin inflammation and tissue regeneration require further investigation.

This review highlighted significant properties of probiotics that can promote hair growth and reduce dandruff, offering guidance for future research to scale these findings to pilot studies.

This study observed that in patients with diabetic foot ulcers, an imbalance in skin microbiota, with increased pathogenic bacteria, contributes to infection and poor wound healing, and suggests that modulating microbiota composition might improve healing outcomes.

In this randomized controlled trial, oral intake of the probiotic Latilactobacillus curvatus LB-P9 significantly improved hair luster, elasticity, and participant satisfaction in individuals with mild to moderate hair damage compared to placebo, without significant adverse effects reported.

This review examines the potential and challenges of extracellular vesicles in cosmetics, noting their transformative impact despite regulatory and production hurdles; it reports no new experimental results.

This review reports on the effects of aging on hair characteristics such as pigmentation, growth, and structural properties across genders and ethnicities, highlighting the importance of scalp health and suggesting cosmetic solutions to improve the appearance of aged hair.

This study found that an 8-week supplementation with specific probiotic strains improved hormonal markers and oxidative stress while decreasing inflammation in women with PCOS, although clinical symptoms like acne and hirsutism showed no significant improvement compared to the placebo group.

This review highlights that extracts from *Hamamelis virginiana* (witch hazel) exhibit antimicrobial, anti-inflammatory, antioxidant, and wound-healing properties in various studies, showing promise for future therapeutic use in dermatology and cosmetology, particularly for skin treatments.

This study found that using an LED array with an 863 nm wavelength delayed tumor development and reduced systemic inflammatory cytokines in DMBA/TPA-induced mouse skin tumors, suggesting potential but limited benefits of light therapy.

This study suggests that Staphylococcus capitis ferment filtrate (SCFF) may promote hair growth and scalp health by modulating pathways related to hair loss, aging, and oxidative stress in vitro.

This review found that microbiota-targeted interventions, particularly certain strains of probiotics, are associated with improvements in skin conditions, most notably in pediatric atopic dermatitis, but their efficacy varies across other dermatological diseases.

Modifying gut bacteria with pro- and postbiotics may help treat hair loss.

This study found that upcycled postbiotic cell-free supernatants from Limosilactobacillus fermentum MG901 and MG4237 protected human dermal papilla cells from oxidative stress, enhancing wound-healing capacity and mitochondrial function, suggesting potential as a sustainable cosmetic ingredient for hair loss alleviation.