Some persons find the skin reacts with redness and bumps which disappear soon after hours. Apply plenty of shaving foam or gel over area and leave for a few minutes to soften further. https://oe2gh5pktcgyb23dsjqekdcy7E43onub7zetjnb4wacjqzo54a6a.cdn.ampproject.org/c/Brush114.Co.kr%2Fbbs%2Fboard.php%3Fbo_table%3Dfree%26wr_id%3D1067876