Cosmetic Claims Development, Author & Scientific Affairs Specialist

Callaghan Consulting International

Biography

Theresa is a biochemist with a PhD from the Hebrew University of Jerusalem and has extensive international experience in the cosmetics industry. After a postdoctoral fellowship at the Pasteur Institute, she transitioned into corporate skin care research. Over her 35-year career, she has held senior R&D roles at LVMH, Unilever, Marks & Spencer, J&J, Evonik (Cosmoferm), Hill-Top Research, and proDERM (SGS).

In 2008, Theresa founded Callaghan Consulting International in Germany, focusing on cosmetic claims and scientific advancements, collaborating with ingredient suppliers and brands. She is a widely published author, and also known for her multi-lingual book “Help! I’m Covered in Adjectives: Cosmetic Claims & The Consumer,” in its second edition, and has appeared on various radio shows and podcasts.

Theresa is on the editorial board of the International Journal of Cosmetic Science and is active in a number of professional societies including SCANCOS and The British Herbal Medical Association. She mentors graduates and industry new-comers, advises TKS Science Publisher, and writes a monthly Claims Insights column for Euro-Cosmetics magazine and LinkedIn, as well as a monthly ingredient technology article for BEAUTY STREAMS. Theresa is also a Covalo Ambassador.