How to distinguish the authenticity of SK2 facial cleanser? Is the facial cleanser you use fake?

How to tell whether SK2 facial cleanser is genuine or fake? The more popular something is, the easier it is to be counterfeited. Why not check whether yours is genuine or fake?

Identify from the box

The genuine box does not contain fluorescent agent, but the fake one contains fluorescent agent.

The words on the genuine box have a red outline, the fake ones do not.

The word "激" on the genuine product is clear, but on the fake one, the overlapping characters are not clear.

Identify from the bottle

There is no gap between the tail and the bottle body of the genuine product, but there is a gap between the fake one.

The inside of the genuine bottle cap is a circle of rectangles, while the inside of the fake bottle cap has 6 raised points.

The genuine product has three circles of thread, while the fake one has only two.

Identification from facial cleanser

The genuine paste will sink to the bottom of the water, while the fake one will float on the surface.