April 2023 in “Journal of Investigative Dermatology” In this study, the KPAI and KP-IGA scoring systems for assessing keratosis pilaris showed excellent interrater and intrarater reliability, offering standardized measures for clinical and research use.
August 2025 in “Clinical and Experimental Dermatology” This study found that although patients with significant scalp hair loss experienced substantial reductions in Severity of Alopecia Tool scores, few maintained this improvement over time, indicating potential suboptimal effectiveness of current treatments.
In this retrospective study of alopecia areata patients across several European countries, researchers observed a notable reduction in SALT scores, but few patients reached or maintained a clinically significant SALT score of ≤20, indicating potentially limited effectiveness of current treatments for extensive hair loss.
January 2026 in “White Rose Research Online (University of Leeds, The University of Sheffield, University of York)” This study found that while patients with alopecia areata in Europe experienced substantial reductions in hair loss severity, only a few achieved and sustained a significant improvement in their condition.
May 2024 in “Lasers in medical science” In this retrospective study, a combined therapy of ablative fractional Er: YAG laser and medication was more effective in treating male androgenetic alopecia than medication alone, without causing serious adverse effects, as evaluated over 24 weeks.