July 2026 in “Journal of the American Academy of Dermatology” Estetrol (E4) can help hair grow longer by extending its growth phase.
November 2025 in “Journal of Investigative Dermatology” Estetrol may help prevent hair loss and support hair growth in women.
October 2023 in “Journal of the Endocrine Society” Estetrol helps keep scalp hair in the growth phase longer and improves hair follicle health by affecting the hair root and increasing stem cells.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Estetrol may help prevent hair loss and promote hair growth in women.
January 2008 in “Journal für Kardiologie (Krause & Pachernegg GmbH)” Healthy aging can be promoted through physical activity, lifestyle changes, and certain treatments.