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International Research Services Inc.

222 Grace Church Street, Port Chester, New York, 10573, United States

International Research Services Inc.

Phone: (914) 937-9483

Fax: (914) 937-8067

Email International Research Services Inc.

About International Research Services Inc.

Established January 1977

International Research Services, Inc. (IRSI) 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, IRSI is a 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. Our database of over 5,000 patients can be easily sorted by inclusion and exclusion criteria for any particular study. Our internal recruiting department allows for the rapid start-up of recruiting activities and the accurate recruitment of appropriate patients. Our business model also allows for the utilization of a central or independent IRB at the client's discretion.

For additional information, please call 914-937-9483 or 1-800-548-0158 or email You can also visit

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Hours of Operation
  • Sunday
  • Closed
  • Monday
  • 9:00 am - 5:00 pm
  • Tuesday
  • 9:00 am - 5:00 pm
  • Wednesday
  • 9:00 am - 5:00 pm
  • Thursday
  • 9:00 am - 5:00 pm
  • Friday
  • 9:00 am - 5:00 pm
  • Saturday
  • Closed
Products & Services
Latest Articles/News



03/01/2018 The word 'cosmeceutical' is becoming more widely used in the natural organic skincare industry. The origin of the term cosmeceutical comes from combining 'cosmetic' and 'pharmaceutical'. The definition of cosmeceutical is a skincare product that cont... Read More »


03/01/2018 Bioinstrumentation is the use of bioelectronic instruments for the recording or transmission of physiological information. It refers to the high-tech instrumentation used to conduct research in the biological sciences. There has been a revolution in ... Read More »

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