Hours

  • Regular Hours
    Sunday
    Closed
    Monday
    09:00 AM - 05:00 PM
    Tuesday
    09:00 AM - 05:00 PM
    Wednesday
    09:00 AM - 05:00 PM
    Thursday
    09:00 AM - 05:00 PM
    Friday
    09:00 AM - 05:00 PM
    Saturday
    Closed

About Us

  • International Research Services, Inc. is a privately held clinical research company founded in 1977 by Stephen Schwartz, President and CEO and serving the cosmetic and pharmaceutical industries. Specializing in dermatological safety and efficacy testing, we are the leader in biophysical instrumental analysis on the effects of test products on human skin conditions. International Research Services, Inc. is committed to providing personalized and professional clinical trial services to cosmetic and pharmaceutical enterprises of any scale with a focus on subject safety, regulatory compliance, quality of results and exemplary customer service. For additional information, please call 914-937-9483 or 914-417-4112 or 1-800-548-0158 or email info@irsi.org. You can also visit www.irsi.org.