Grosso G, Micek A, Godos J, Sciacca S, Pajak A, Martnez-Gonzlez MA, Giovannucci EL, Galvano F (2016) Coffee consumption and risk of all-cause, cardiovascular, and cancer mortality in smokers and non-smokers: a dose-response meta-analysis
It also has a calming effect, reducing redness and inflammation that can stress the skin
(11) Jeong-Ran Park, Hanbyeol Lee, Seok-In Kim, Se-Ran Yang (2016) The tri-peptide GHK-Cu complex ameliorates lipopolysaccharide-induced acute lung injury in mice Oncotarget
Additional References: High body mass index, dry scaly leg skin and atopic conditions are highly associated with keratosis pilaris by G Yosipovitch 1, B Mevorah, J Mashiach, Y H Chan, M David