Caution: We recommend that you perform a skin test 24 hours before extended use by wearing the Silicone Bra Cups for up to 4 hours. If you experience any itching, irritation, burning or discomfort of any kind, remove the breast petals immediately. Do not use on open cuts, skin disorders, rashes, sun damaged or sunburned skin, white patches or skin depigmentation problems. Even if you have had no previous reaction to this or other similar products, sensitivity may occur. Do not wear overnight, and we recommend that you do not wear it for more than 4-6 hours at a time. Women with a significant amount of melanin or family history of depigmentation may experience skin lightening from the adhesive. Not recommended for women with sensitive skin.