You mainly want to improve the trouble of small breasts through underwear, and give you some good suggestions: now many brands of underwear have introduced some orthopedic underwear with essential oil, soft beads, water bags and other varieties, which are specially designed to correct petite breasts, and the effect is not bad. I recommend several first-line and second-line brands with moderate price and good quality for your reference: Ciler, Beijiaren, New Theme, Jealousy and Li Limei. These brands of underwear with small breasts are worth a try.
It is strongly recommended that you go to a specialty store or shopping mall and try on your underwear under the guidance of a professional shopping guide, so that it is easier to find underwear that suits you. Online shopping for orthopedic underwear will save you a lot of detours, the price difference is so much, and the product quality will be greatly reduced compared with the service.
Please leave me a message if you need any help.