Ferulic acid was originally found in the seeds and leaves of plants. It is a phenolic acid widely present in plants. It combines with polysaccharides and proteins in the cell wall to form the skeleton of the cell wall, and rarely exists in a free form.

The skin is the organ with the largest surface area of the human body, and it bears various external pressures daily, such as environmental pollution, UV damage, oxidative stress,etc.As the metabolism rate decreases, all kinds of "cell garbage" accumulate unknowingly.At this time, autophagy comes in