10 citations
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January 2024 in “Dermatology Research and Practice” This randomized, double-blind, placebo-controlled study found that a supplement containing hydrolysed collagen and vitamin C (Absolute Collagen) improved skin, scalp, and hair over 12 weeks when taken daily or every other day.
This review reports that oral collagen peptide supplements may improve skin elasticity, hydration, and wrinkle appearance while also supporting hair and nail health and wound healing, but emphasizes the need for longer, high-quality studies due to current research limitations and variability in findings.
December 2025 in “Frontiers in Nutrition” This review suggests that although hydrolyzed collagen peptides with certain supplements may improve skin elasticity and joint function, evidence for collagen's anti-aging and regenerative benefits remains inconsistent.
May 2025 in “International Journal of Trichology” In this study, Pilopeptan® Intensive, a nutritional supplement containing hydrolyzed collagen, Group B vitamins, and zinc, was found to significantly improve hair parameters in telogen effluvium patients, with sustained benefits observed posttreatment, although mild side effects were reported by some participants.
5 citations
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January 2012 in “Journal of nutrition & food sciences” This study found that a nutritional supplement containing peptides, lipids, hyaluronic acid, and collagen improved skin, hair, and nail dryness, with significant benefits noted for those with severe symptoms.
1 citations
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July 2023 in “Plastic and Aesthetic Nursing” Biotin and collagen may improve hair health.
January 2017 in “OPAL (Open@LaTrobe) (La Trobe University)” This study found that oral collagen peptides increased the expression of genes related to epidermal and hair cycle development in hairless mouse skin.
This study found that oral collagen peptides increased expression of genes associated with epidermis development and the hair cycle in hairless mice, providing insights into their potential skin benefits.
September 2025 in “Clinics and Practice” This study found that six-month supplementation with fish-derived collagen peptides, calcium, and vitamin D3 improved skin hydration and elasticity and reduced hair loss in menopausal women, with collagen playing a dominant role in enhancing skin elasticity.
3 citations
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March 2022 in “International Journal of Trichology” This study found that nutritional supplementation with hydrolyzed collagen, amino acids, vitamins, and minerals significantly improved hair anagen/telogen ratios and hair density in telogen effluvium patients.
July 2023 in “Plastic and Aesthetic Nursing” Biotin and collagen may help improve hair health.
March 2024 in “Journal of functional foods” This study found that both marine and bovine collagen peptides may help prevent hair loss by supporting epithelial hair follicle stem cell functions, with marine peptides maintaining hair in the growth phase and bovine peptides increasing stem cell presence in hair follicle regions.
June 2023 in “Skin Research and Technology” The researchers reported that an oral supplement containing hydrolysed fish-origin collagen, taurine, cysteine, methionine, iron, and selenium significantly improved the effectiveness of anti-hair loss treatments in people with androgenic alopecia or chronic telogen effluvium after 12 weeks, compared to drug treatments alone.
1 citations
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June 2018 in “Ukrainian Journal of Dermatology Venerology Cosmetology” Oral collagen improves skin, nails, hair, and reduces cellulite.
January 2026 in “International Journal of Peptide Research and Therapeutics” In this study, adults with mild-to-moderate hair damage taking GPVGPS Collagen® daily for 24 weeks showed significant improvements in hair luster, strength, thickness, and density compared to placebo, with no safety concerns reported.
April 2024 in “Más dermatología” This study reported that bioactive peptides from skin collagen, obtained through selective hydrolysis, improve skin collagen synthesis and remodeling, while inhibiting its breakdown by metalloproteinases, showing benefits such as enhanced skin hydration, elasticity, healing, and hair restoration, without associated adverse effects.
January 2025 in “Zenodo (CERN European Organization for Nuclear Research)” This review reports that collagen peptides consistently provide modest improvements in skin hydration and elasticity and varying benefits for body composition and cardiometabolic markers, although effects on blood sugar control are less consistent; variations in source, dose, and study definitions limit generalizability.
January 2025 in “Zenodo (CERN European Organization for Nuclear Research)” This review reports that collagen peptides provide consistent, modest benefits for skin hydration and elasticity, with variable effects on body composition and cardiometabolic risk markers, though some outcomes remain inconsistent due to trial heterogeneity.
January 2019 in “Archives of dermatology and skin care” This study found that combining microneedling with oral collagen supplementation may improve wrinkles and texture better than microneedling alone for skin rejuvenation.
This study found that consumption of dietary supplements and sports nutrition may lead to therapeutic and cosmetic improvements, benefiting skin, hair, and nails while potentially enhancing athletic performance.
1 citations
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May 2017 in “Asian journal of medical sciences” This study found that dietary supplementation with collagen, chondroitin sulfate, low-molecular weight hyaluronic acid, Pycnogenol®, and coenzyme Q10 significantly improved skin hydration, elasticity, nail hardness, and hair condition in patients with age-related dermatological changes after 12 weeks.
March 2026 in “Food, Nutrition and Health.” This review highlights research reporting that oral collagen peptide supplements are effective in enhancing skin elasticity, hydration, and reducing wrinkles, although results vary across studies. Oral supplementation was generally well-tolerated, and further investigation is needed to optimize formulations and explore topical application challenges.
July 2025 in “Cosmoderma” In this study, a 90-day course of a plant-based supplement significantly improved hair density, skin hydration, and nail growth among participants with dermatological concerns, while also reducing hair fall and pigmentation, without adverse effects.
May 2025 in “Preprints.org” This review highlights the potential of olive mill wastewater as a sustainable source of cosmeceutical ingredients with antioxidant, anti-inflammatory, and dermatological benefits but reports no new clinical findings.
May 2025 in “Preprints.org” This review discusses the potential of olive mill wastewater as a sustainable source of dermatological ingredients with antioxidant and regenerative properties but reports no new clinical findings.
May 2025 in “Preprints.org” This review discusses the dermatological potential of olive mill wastewater as a sustainable source of high-value cosmeceutical ingredients but reports no new clinical results.
November 2023 in “Open Repository of the University of Porto (University of Porto)” This summary of a pharmacy internship reports on expanding scientific knowledge through diverse activities, including exploring diabetes medications for obesity treatment and discussing the role of nutritional supplements in geriatrics.
April 2016 in “Journal of The American Academy of Dermatology” People with hair loss have low zinc levels; zinc supplements and laser therapy may help.
45 citations
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June 2016 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” This review evaluates the scientific literature on silicon supplements, noting that orthosilicic acid shows higher bioavailability, but emphasizes the need for further clinical studies on safety and efficacy.
1 citations
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June 2019 in “Current developments in nutrition” This case study reports that pancreatic enzyme replacement and fatty acid supplementation improved symptoms of fat malabsorption and essential fatty acid deficiency in a patient with EDS-4.