For those who have tried the in-shower body tone-up cream for full-body tone-up, what do you think?

I discovered an interesting product while reading your posts, Cheese.
Apply while showering Body tone-up cream I found that it was there.
It was my first time hearing it, so I found it really fascinating.

Perhaps because I didn't apply sunscreen thoroughly to my arms and legs during the summer, the tan lines on my body are too visible.
I am planning to go on vacation in late August or September, but I am concerned about this since I plan to wear a swimsuit or short clothes.
When I wear a sleeveless top, the boundary looks like I'm wearing just a short-sleeved shirt, and even though my face has a yellowish warm tone, my body is on the lighter side, so it is even more noticeable.
I do have a tone-up cream right now, and while this one applies well and has a really nice citrus scent, I think I'll use up the whole jar if I try to apply it to such a large area of ​​my body.

So I in-shower Body tone-up cream I was actually quite glad to see this.
I was bothered by the tan, but also by the discoloration on my elbows and underarms, so I wanted to take care of it all at once.
For those who have used this, is the tone-up effect good if applied all over?
I saw that it’s fine even if you go in and out of the water. The staying power lasts for more than a day, too.
In-shower Body tone-up cream I think it would be a good idea to apply it evenly all over your body while showering.
I checked Daiso just in case, and found that they had Rhinoia products.

In-shower like this Body tone-up cream Has anyone used this? I would appreciate it if you could recommend a product you liked.