Figure 7. The effect of LMWCP on fingernail plate roughness measured with an Antera 3D. Ra values are represented as mean ±SD. Roughness of the fingernail plate in the test group compared to 0W or the placebo group were calculated using the Wilcoxon signed-rank test (*; P value <0.05) and Mann-Whitney U test using delta values (§; P value, not shown data)

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Oral Supplementation with Low-molecular-weight Collagen Peptide Improves Hydration, Facial Lifting, Dermal Density, Skin Desquamation and Nails: A Randomized, Double-blind, Placebo-controlled, and Maintenance of Effect Study

Sun Hwa Lee, Hye Kyong Park, Hye Ji Lee, Ah Reum Jo, Eun-Ju Lee, Se-Hee Hwang, Hee-Chul Chung, Jin-Hee Lee, Do-Un Kim, Jongsung Lee, Tae Kee Moon

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