Hydroxysafflower Yellow A Protects Against UVA- And UVB-Induced Skin Aging By Suppressing Cell Apoptosis And SASP Via Targeting JNK And P38 MAPK Pathway

Aging Pathway
Therapeutic
Hydroxysafflower yellow A protects skin from aging caused by UVA and UVB radiation by preventing cell death and reducing harmful inflammatory responses.
Author

Gemini

Published

December 24, 2025

Our skin faces constant challenges from the environment, with ultraviolet (UV) radiation being a major culprit in accelerating skin aging. This damage can lead to wrinkles, loss of elasticity, and a generally aged appearance. But what if a natural compound could offer significant protection? Researchers have been exploring a promising ingredient derived from safflower, a traditional medicinal herb. This compound has shown remarkable abilities to combat the effects of sun exposure on skin cells. It works by preventing cells from undergoing premature, programmed death, a process called apoptosis, which is often triggered by UV damage. Additionally, it tackles a phenomenon known as the “senescence-associated secretory phenotype” (SASP). This is when stressed or aging cells start releasing a cocktail of inflammatory and destructive molecules that can harm surrounding healthy cells and break down essential skin components like collagen. By suppressing SASP, this compound helps maintain a healthier skin environment. Furthermore, it promotes the production of type I procollagen, a precursor to collagen, which is vital for skin structure and firmness, and encourages the deposition of collagen fibers in the skin. At a deeper level, this protective action is achieved by calming down specific internal communication systems within cells, known as the JNK and p38 MAPK pathways. These pathways often become overactive in response to UV stress, contributing to damage and aging. By targeting and inhibiting these pathways, the compound helps restore cellular balance and protect against UV-induced skin damage, suggesting its potential as a key ingredient in future anti-aging and skin-rejuvenation products.


Source: link to paper