"There's no FDA-approved estrogen medication for your face," she says. These medications typically use estriol, which is a low-potency estrogen compared to estradiol, which is typically taken as ...

Compounded bioidentical hormones in the USA typically contain a large quantity of estriol, a weak estrogen. The rationale for this is that rats pretreated with estriol developed less breast cancer ...

Many dermatologists do not recommend over-the-counter estrogen creams marketed for the face. These creams often contain estriol and are not approved by the Food and Drug Administration.

A bioidentical hormone is a hormone that is exactly the same as the hormones that you made when you were a menstruating woman, so estradiol, estriol, are bioidentical hormones that you were making ...

binding affinity for both estrogen receptor (ER)-α and -ß is equal at 100. [20] Estrone has a binding affinity for ER-α of 60 and for ER-ß of 37. Estriol binds to ER-α with an affinity of 14 ...