Anti-Aging Potential of Crocus sativus Molecular Mechanisms and Therapeutic Perspective

Skin aging is a complex biological process driven by intrinsic factors such as genetic predisposition and hormonal changes, as well as extrinsic factors including ultraviolet (UV) radiation, pollution, and lifestyle influences. These factors contribute to oxidative stress, inflammation, collagen degradation, and cellular senescence, ultimately leading to visible signs of aging such as wrinkles, loss of elasticity, and uneven pigmentation. In recent years, there has been growing interest in natural bioactive compounds as safer and more effective alternatives to synthetic anti-aging agents. Crocus sativus L. (saffron), a valuable medicinal plant, has emerged as a promising candidate due to its rich phytochemical composition, particularly crocin, crocetin, safranal, and picrocrocin. These bioactive constituents exhibit potent antioxidant, anti-inflammatory, and photoprotective properties, which play a crucial role in mitigating the key mechanisms of skin aging. Saffron compounds act by scavenging reactive oxygen species (ROS), inhibiting matrix metalloproteinases (MMPs), enhancing collagen synthesis, and modulating critical cellular signaling pathways such as nuclear factor-kappa B (NF-κB) and mitogen-activated protein kinase (MAPK). Furthermore, saffron demonstrates significant pharmacological activities, including skin rejuvenation, anti-wrinkle effects, and wound healing potential. Its incorporation into cosmeceutical formulations such as creams, gels, and advanced delivery systems like phytosomes, liposomes, and nano formulations has enhanced its stability, bioavailability, and therapeutic efficacy. Despite these promising attributes, challenges such as high cost, variability in phytochemical content, and limited clinical evidence remain.