How old is the efficacy of Han Yazhen's red coagulation series suitable for?

Han Yazhen red coagulation series is suitable for women over 40 years old. According to the relevant public information, Hana selected three red core ingredients (3-RCI) and cooperated with three Korean patents to protect the skin through "micro-penetration" core technology, making the skin fresh and shiny. For women over 40 years old, it is very good to improve the aging phenomenon around the eyes and tighten the skin around the eyes.