My Skin-Care Routine When Not Using Tretinoin Mondays, Wednesdays, Fridays, and Saturdays: A Rest from the Tret For the days Im not using tretinoin, I still want to make sure my skin is getting some sort of exfoliation and additional actives to brighten my skin, so my routine is as follows: oil cleanser, gentle cleanser, face exfoliant, dark-spot corrector, and a thick moisturizer
Glutathione is often referred to as the "master antioxidant" due to its ability to regenerate other antioxidants in the body
Jeffrey Weiss, a board-certified physician who designs personalized protocols to support your health and well-being
Detection windows for common peptides Understanding detection windows requires knowing three things: the half-life of the peptide, the presence of detectable metabolites, and the sensitivity of the testing method
This beginner's guide explains what each peptide is, what the published research actually shows, how BPC-157 and TB-500 differ, and the dosages used in animal studies, all grounded in peer-reviewed evidence as of 2026