Pan previously necessarily very thoroughly. Do not touch the sticky side with your fingers and paint slowly and smoothly press again found everywhere, especially the edges. Prick any air bubbles with a needle and then push the air out. Then leave her alone about 6-8 hours. Then you work wonderfully. They can be seen only in certain light angles and they serve their purpose very well. The small remnants I've consumed. Simply cut the corners and glue into the interstices of the great adhesive. The hold also outstanding. Once the hair was already tinged with such an eco-henna stuff and the stickers have not adopted any color. Top product - still a point deduction because too expensive!