July 2026 in “International Journal of Dermatology Sciences” This review synthesizes traditional hair-care practices from diverse cultural regions and evaluates them against scientific evidence, noting that some, like coconut oil application, have clinical support, while others rely mostly on in vitro or theoretical backing.
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February 2015 in “Han-gug chugsan sigpum hag-hoeji/Korean journal for food science of animal resources” This study concludes that egg shell membrane hydrolysates, particularly Fraction I, may effectively mitigate UV-B radiation-induced wrinkles and promote skin collagen and hyaluronic acid production, suggesting potential use in functional cosmetics.
December 2025 in “International Journal of Therapeutic Innovation.” This study developed an herbal hair mask using natural ingredients like rice water, aloe vera gel, and coconut oil, which demonstrated moisturizing, strengthening, and protective properties, potentially aiding in maintaining healthy and resilient hair.
December 2021 in “Biomedical journal of scientific & technical research” Oral processed egg yolk improves hair regrowth and quality in alopecia patients.
February 2025 in “Frontiers in Veterinary Science” This study found that keratin hydrolyzed, egg yolk lecithin, and fish collagen peptide promoted β-catenin nuclear translocation and increased gene expression related to hair regeneration in canine and cat skin cell lines, suggesting these nutrients may help improve hair regeneration in pets.