Safety and Efficacy Testing
IRSI is a leader in biophysical instrumental analyses and visual and tactile dermatological assessments.
Read moreProved experience year after year helping the best brands to take safe and effective products to the consumers.
International Research Services, Inc. (IRSI) is a privately held clinical research company founded in 1977 by Stephen Schwartz, President and CEO. IRSI serves the cosmetic and pharmaceutical industries. Specializing in dermatological safety and efficacy testing, IRSI is a leader in biophysical instrumental analysis of the effects of test products on human skin condition.
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222 Grace Church St., Port Chester, New York
(914) 937-9483, 1-800-548-0158
info@irsi.org
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