Switzerland. Canton Ticino. Chiasso. Chemistry shop window. A sign informs customers that the pharmacy has no more masks but hand sanitizers to sell for protection against Coronavirus (also called Covid-19). Hand sanitizer is a liquid generally used to decrease infectious agents on the hand. A smiley (sometimes called a happy face or smiley face) is a stylized representation of a smiling humanoid face that is a part of popular culture worldwide. 9.03.2020 © 2020 Didier Ruef