Research Article

Antiageing Mechanisms of a Standardized Supercritical CO2 Preparation of Black Jack (Bidens pilosa L.) in Human Fibroblasts and Skin Fragments

Figure 6

Effects of phytol on RXR and RAR synthesis (brown precipitate) in human skin fragments labelled with anti-RXR and anti-RAR antibodies after a 48-hour incubation (40x magnification).