There is not much left in Tianqidan. Can I use it with Shuiyan?

Different brands of skin care products can also be mixed, but each brand has a series of products. But when mixing, we should be careful not to mix the two star products together, because the star products have high concentration and quick effect, which not only can not double the effect, but also may cause adverse reactions. Secondly, when different brands of skin care products are mixed, two or more skin care products with similar effects should not be used, which will lead to mutual weakening and cancellation of the effects of the products, and the skin's absorption capacity is limited, and the overnourished skin cannot be absorbed at once.

Skin care products, that is, products that protect the skin.