Cosgrove MC, Franco OH, Granger SP, Murray PG, Mayes AE. Dietary nutrient intakes and skin-aging appearance among middle-aged American women. Am J Clin Nutr 2007;86:1225-1231. https://pubmed.ncbi.nlm.nih.gov/17921406/
Di Marzio L, Centi C, Cinque B, Masci S, Giuliani M, Arcieri A, Zicari L, De Simone C, Cifone MG. Effect of the lactic acid bacterium Streptococcus thermophilus on stratum corneum ceramide levels and signs and symptoms of atopic dermatitis patients. Exp Dermatol. 2003 Oct;12(5):615-20. https://pubmed.ncbi.nlm.nih.gov/14705802/
Gueniche A, Philippe D, Bastien P, Reuteler G, Blum S, Castiel-Higounenc I, Breton L, Benyacoub J. Randomised double-blind placebo-controlled study of the effect of Lactobacillus paracasei NCC 2461 on skin reactivity. Benef Microbes. 2014 Jun 1;5(2):137-45. https://pubmed.ncbi.nlm.nih.gov/24322879/
Ishii Y, Sugimoto S, Izawa N, Sone T, Chiba K, Miyazaki K. Oral administration of Bifidobacterium breve attenuates UV-induced barrier perturbation and oxidative stress in hairless mice skin. Arch Dermatol Res. 2014 Jul;306(5):467-73. https://pubmed.ncbi.nlm.nih.gov/24414333/
Kober MM, Bowe WP. The effect of probiotics on immune regulation, acne, and photoaging. Int J Womens Dermatol. 2015 Apr 6;1(2):85-89. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5418745/
Ogen-Shtern N, Chumin K, Cohen G, Borkow G. Erhöhte Pro-Kollagen-1-, Elastin- und TGF-β1-Expression durch Kupferionen in einem ex-vivo menschlichen Hautmodell. J Cosmet Dermatol. 2020 Jun; 19(6):1522-1527. https://pubmed.ncbi.nlm.nih.gov/31603269/
Prasad AS. Zinc is an Antioxidant and Anti-Inflammatory Agent: Its Role in Human Health. Front Nutr. 2014 Sep 1;1:14. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4429650/
Purba MB, Kouris-Blazos A, Wattanapenpaiboon N, et al. Skin wrinkling: can food make a difference? J Am Coll Nutr 2001;20:71-80. https://pubmed.ncbi.nlm.nih.gov/11293471/
Reygagne P, Bastien P, Couavoux MP, Philippe D, Renouf M, Castiel-Higounenc I, Gueniche A. The positive benefit of Lactobacillus paracasei NCC2461 ST11 in healthy volunteers with moderate to severe dandruff. Benef Microbes. 2017 Oct 13;8(5):671-680. https://pubmed.ncbi.nlm.nih.gov/28789559/
Reygagne, P., Bastien, P., Couavoux, M. P., Philippe, D., Renouf, M., Castiel-Higounenc, I., & Gueniche, A. (2017). The positive benefit of Lactobacillus paracasei NCC2461 ST11 in healthy volunteers with moderate to severe dandruff. Beneficial microbes, 8(5), 671–680. https://doi.org/10.3920/BM2016.0144
Sánchez-Pellicer P, Navarro-Moratalla L, Núñez-Delegido E, Ruzafa-Costas B, Agüera-Santos J, Navarro-López V. Acne, Microbiome, and Probiotics: The Gut-Skin Axis. Microorganisms. 2022 Jun 27;10(7):1303. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9318165/