Safe and painless, scientific and effective Non-surgical physical correction: no drugs or invasive operations, through continuous use (recommended to wear 2-4 hours a day, adhere to 4-8 weeks), gradually improve the shape of the nipple, reduce the risk of traditional surgery. Mild and non-irritating: the material has passed the skin sensitivity test, does not contain latex, flavourings and other allergenic ingredients, suitable for sensitive skin; smooth and rounded edges to avoid friction damage to the nipple skin. Portable and invisible, suitable for multiple scenarios Compact and lightweight: the diameter of a single aligner is about 3-4cm, the thickness is only 1-1.5cm, it can be easily put into the underwear, and there is no obvious traces in daily wear, suitable for work, going out and other scenarios. Individual packaging: 2 sets of braces are equipped with an individual storage box, clean and hygienic, easy to carry or store, to avoid cross contamination. Easy to operate and clean One-touch wearing: the basic model can be attached directly to the nipple with light pressure; the reinforced model can be adjusted to a comfortable strength by rotating the knob, without complicated operation. Full body wash: Silicone model can be rinsed directly with warm water, plastic model can be wiped with alcohol cotton pads to maintain hygiene and repeat use for greater peace of mind. Applicable people Congenital nipple inversion (mild, moderate, severe); Mothers who have flat nipples during breastfeeding and babies have difficulty in attaching them; People who are worried about breast problems due to inconvenient nipple cleaning; Women who pursue breast aesthetics and wish to improve the shape of their nipples.