Kyu‐Ho Yi

Muscle- and Gland-Specific Dosing of Botulinum Toxin in Facial Aesthetics: Review of Dose Ranges, Target Depth, Muscle Thickness, and Neuromuscular or Glandular Anatomy

Botulinum neurotoxin type A (BoNT-A) dosing in facial aesthetics varies across anatomical targets, formulations, and treatment indications. This structured narrative review examined published dose ranges and the potential relevance of muscle thickness, target depth, functional an...

Facial Atopic Dermatitis Treated with Chitosan

Background/Objectives: Facial atopic dermatitis (AD) is burdensome, and facial skin is vulnerable to steroid-related adverse effects. This study describes the clinical use, tolerability, and photographic response to topical 2% chitosan gel in a consecutive case series. Methods: T...