Can Tianqidan still be used after it has expired for several months?

Can't use it. Tianqidan cosmetics will expire after a period of use, lose their original effects and efficacy, and even lead to skin allergies and other problems. Tianqidan Cosmetics has expired and cannot be used any more. The validity period of cosmetics is calculated according to the production date and shelf life. When cosmetics are used beyond the shelf life, there are health and safety hazards.