 A study found that using micro-needling before platelet-rich plasma application improved the efficacy in treating striate distency by promoting deeper penetration, leading to significant improvements in skin lesions, collagen and elastic fibres deposition, epidermal proliferative activity and decreased caspase 3 protein expression. This article was authored by Amira A. Abdel-Motileb, Hatem Zidane, Menitala Mammoud-Mustafa and others.