July 2026 in “Functional Foods in Health and Disease” Strawberry guava extract helps hair grow by improving blood flow and certain growth factors.
48 citations
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June 2020 in “Current Rheumatology Reports” Different types of fibroblasts play various roles in both healthy and diseased tissues, and understanding them better could improve treatments for fibrotic diseases.
12 citations
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May 2013 in “International Journal of Molecular Sciences” Stem cells from elderly skin can become neurons, offering potential for brain therapy.
June 2026 in “Functional Foods in Health and Disease” Olive leaf extract may help improve skin aging, especially for those who don't exercise regularly.
April 2024 in “Lasers in medical science” Near-infrared LED light improves skin rejuvenation and hair growth better than white LED light.
57 citations
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March 2019 in “Immunity” The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.
31 citations
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February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
16 citations
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January 2011 in “Archives of Dermatological Research” The study found that expanded skin regenerates similarly to normal skin, with 77 genes playing a role in the process.
November 2025 in “Frontiers in Immunology” Immune cells are crucial for normal skin development and their dysfunction can cause skin disorders.
28 citations
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March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.