_ The main component is nicotinamide (the same as the main effective whitening component of SK2 bulb), which has many functions such as antibacterial, anti-inflammatory, whitening and anti-aging. The biggest and most obvious effect is anti-inflammation, which is very effective for red acne marks.

Nicotinamide and sodium ascorbate are widely used whitening ingredients with a long history and high safety. But pay attention to nicotinamide, which is likely to cause allergies. Try it locally before you use it to see if you can adapt.