TY - RPRT TI - Retention, not flux: endpoint confounding caps computational prediction of peptide skin penetration, with a delivery-aware reframing AU - Komianos, N. AU - Prakash, P. PY - 2026 DO - 10.64898/2026.06.25.734657 UR - https://www.biorxiv.org/content/10.64898/2026.06.25.734657v1 ID - 10.64898/2026.06.25.734657 ER -