IMG_4592 edit TRI PhD theses-2 for EDUCA


Inspiring, Educating and Connecting through Science

At TRI we are passionate about science.  Sharing this passion with our members, industry professionals and the community at large is a primary focus for the institute.

TRI Conferences

TRI hosts the International Conference on Applied Hair Science every 2 years in New Jersey, alongside other shorter technical symposia.

To see what is coming up click here.  Some of the presentations from previous conferences are also available to TRI member companies and conference attendees in the Library click here.


Dr Trefor Evans from TRI presenting at the Ethnic Hair Science Symposium, 24th September 2019.


TRI provides highly regarded courses in hair science and in skin science.  Our courses focus on hair and skin biology and the key measurement techniques used in the industry for product development and supporting claims.

To see what is coming up click here.  TRI member companies and library members can access videos and presentations from previous courses in the library click here.

TRI can also run bespoke courses for companies in their own offices.  This focuses courses on the needs of clients and provides complete confidentiality.  For details contact us.


Attendees at the TRI Skin Course in front of the old house (October 10-11th 2018).

Seminars & TRI Talks

TRI loves to stimulate scientific debate!  We regularly hold evening seminars on-site.  These are free and open to anyone who wishes to attend; scientists from member and non-member companies and local residents in Princeton.

We also hold free on-line seminars called TRI talks that reach-out to scientists around the world.  To see what is coming up click here.  TRI member companies and library members can access videos and presentations from previous seminars in the library click here.


Leading NY hair stylist and hair care innovator, Joe Santy, speaking at an evening seminar at TRI (August 2nd 2018).


Launched in April 2020, to help people through lockdown during the COVID19 pandemic, on-line TRI talks on Zoom attract large audiences from around the world.  Dr Ernesta Malinauskyte is pictured here giving her talk on hair lipids.


As part of our educational mission, TRI staff members teach cosmetic science to undergraduate and post-graduate students at Universities in the US and UK.

TRI staff also teach at Society of Cosmetic Chemists (SCC) events in the US, and Society of Cosmetic Scientists (SCS) events in the UK.


Dr Samuel Gourion-Arsiquaud teaching skin science at SCC & TRI Princeton Skin Measurement Workshop, NYSCC Suppliers Day (May 6th 2019).