Paola’s Blog: Skin Science, Formulation & Conscious Beauty
Evidence-led perspectives on skincare, cosmetic formulation, ingredients, menopause and sustainability by Paola Gugliotta, formulator and founder of The Today Project.
Science made clear, with practical guidance for healthier skin and more conscious choices.
Diethyl Phthalate (DEP) in perfumes
Is Diethyl Phthalate (DEP) Safe in Perfume? Our Scientific Position
Why We Don’t Use DEP in Our Perfumes | Science, Safety & Phthalates Explained
We explain why The Today Project chooses not to use diethyl phthalate (DEP) in perfumes, based on scientific evidence, toxicology data, and precautionary formulation principles.


Is skin purging real? Discover what science says about “purging,” retinol, retinoids, irritation, acne flare-ups and isotretinoin.