1. The hydra needles can be imported into the medicine quickly and reach a rate of more than 80%. Minimize skin damage while ensuring drug delivery.

2. Convenient to use it in combination with the menstrum and repair lyophilized powder.

3. To avoid pseudo-wrinkle generation. And it's applied to facial care and whitening water to make skin more smooth.

4. Applied to facial care and whitening water to make skin more smooth.