Are you struggling with thinning hair or medically related hair loss? We offer Hair Toppers for Thinning Hair that blend naturally and provide instant volume and coverage. For those looking to care for their existing hair, our In-Salon Treatment starts with the WHI-Micro Test to analyze your scalp and hair condition. Phone: +1 312-372-4008 Email: info@worldhairinstitute.com Website: www.worldhairinstitute.com Address: 77 W. Washington Suite 1306 & 1307 Chicago, IL 60602 USA.