May 2026 in “SKIN The Journal of Cutaneous Medicine” In this study, Xtressé™ gummies were found to be safe and well tolerated, showing potential improvement in hair density among women with non-scarring alopecia over four months, while partially benefiting those with scarring alopecia; larger trials are encouraged.
May 2026 in “SKIN The Journal of Cutaneous Medicine” This study found that the nutraceutical gummy Xtressé™ may promote hair density and follicular growth in women with perceived hair thinning, offering a user-friendly alternative to traditional supplements.
July 2025 in “SKIN The Journal of Cutaneous Medicine” In this pilot study, preliminary data suggest that Xtressé™, a gummy-based supplement, may increase hair count and hair mass, particularly in women experiencing female pattern hair loss or early-stage scarring alopecia, with less pronounced effects observed in advanced scarring conditions.
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July 2018 in “Elsevier eBooks” This review discusses commonly used dietary supplements for hair growth and highlights the lack of evidence supporting their efficacy and safety in the absence of nutritional deficiency; it reports no new research results.
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April 2016 in “Más dermatología” This study found that the dietary supplement RJ-SP4AGA significantly improved hair growth and reduced hair loss in post-menopausal women with androgenetic alopecia over 16 weeks.