topicCollagen Peptides Skin Hydration Randomized Trial
claimThe skin not only provides protection and sensory functions for the body, but healthy skin also enhances self-esteem.
evidence level4
citationLei D (2026)
sourceInfluence of Oral Collagen Peptides on Skin Biophysical Properties in Humans: A Narrative Review.
topicCollagen Peptides Skin Hydration Randomized Trial
claimMoreover, altered cutaneous function contributes to the development of extracutaneous disorders.
evidence level4
citationLei D (2026)
sourceInfluence of Oral Collagen Peptides on Skin Biophysical Properties in Humans: A Narrative Review.
topicCollagen Peptides Skin Hydration Randomized Trial
claimHowever, the evidence regarding its effectiveness in supporting skin health and improving hair, nail, and wound-healing outcomes remains heterogeneous.
evidence level4
citationBiełach-Bazyluk A (2026)
sourceDietary Collagen Supplementation as a Strategy for Skin Health: A Narrative Review of Clinical Effects on Skin, Hair, Nails, and Wound Healing.
topicCollagen Peptides Skin Hydration Randomized Trial
claimThe aim of this review is to summarize and critically evaluate the current human evidence on oral collagen supplementation and its potential role in supporting skin health, hair and nail quality, and wound healing.
evidence level4
citationBiełach-Bazyluk A (2026)
sourceDietary Collagen Supplementation as a Strategy for Skin Health: A Narrative Review of Clinical Effects on Skin, Hair, Nails, and Wound Healing.
topicCollagen Peptides Skin Hydration Randomized Trial
claimCollagen-derived peptide supplementation has been associated with improvements in skin hydration, elasticity, wrinkle appearance, and dermal extracellular matrix organization, while also supporting hair thickness and strength, modestly enhancing nail growth, and promoting wound healing.
evidence level4
citationBiełach-Bazyluk A (2026)
sourceDietary Collagen Supplementation as a Strategy for Skin Health: A Narrative Review of Clinical Effects on Skin, Hair, Nails, and Wound Healing.
topicCollagen Peptides Skin Hydration Randomized Trial
claimCollagen is a key structural protein of the skin, essential for maintaining its mechanical strength, elasticity, and hydration.
evidence level4
citationBiełach-Bazyluk A (2026)
sourceDietary Collagen Supplementation as a Strategy for Skin Health: A Narrative Review of Clinical Effects on Skin, Hair, Nails, and Wound Healing.