28 Feb 2017 Blackmores Institute Probiotics beneficial for adult acne insulin signalling 28 Feb 2017 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News A recent clinical trial has found that adult acne may be improved through supplementation with a probiotic strain which normalises skin expression of genes involved in insulin signalling. × To continue reading this article, please Log In or Sign Up for access.