Bandage-like patch dissolves to deliver medicine to skin
Water-soluble material helps send complete drug dose into the body
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/08/mr_microneedle_feature.jpg?fit=860%2C460&ssl=1)
OUCHLESS INJECTIONS A water-soluble backing helps flexible drug-delivery patches dissolve away and inject a complete dose from medicine-filled microneedles (red spikes) into the skin.
K.A. Moga et al/Advanced Materials 2013