First of all, the first thing I want to tell you is that whitening needles are not bleach. It can't make you go from yellow to white immediately after the fight. People who have high expectations for whitening needles advise you not to use them, so as not to waste time and money!

Secondly, whitening needle is a kind of skin care products, just like our female skin care products. Call every day when you don't need it. You can call for three or five years at a time. This idea is wrong! First of all, there is a digestive process for drugs to enter the human body. Every day, this is not only ineffective, but also a waste of products and a burden on the body!

Third, the effect of whitening needle depends not only on the quality of products, but also on the absorption of individuals. Just like we take medicine for a cold, some people take the same medicine for two days, while others have no effect. But one thing is certain: after whitening injection, the skin will become delicate and smooth and will not feel dry.

Fourth, if whitening needles cannot be used as long-term care products, then at least 2 boxes should be packed. Because the first set of boxes plays the role of conditioning, the second set of boxes is to improve and consolidate. So, if you don't feel much better after the first set of boxes, please stick to the second set of boxes.