The ingredients of Dr. Xiaoli's freckle removing products, including hydrolyzed yeast protein, nicotinamide and bisabolol, are not scams. These ingredients have the functions of brightening skin color, hydrating and moisturizing, and soothing and calming. The raw materials of the product are safe and non-irritating, which is helpful to improve skin quality. Note that everyone's skin reaction will be different. Before using any beauty products, it is recommended to conduct appropriate tests and seek professional advice.