Tan Peck Ying aims to make women’s lives easier—any time of the month. The femtech startup she co-founded, Pslove, which recently rebranded to Blood, provides natural healing advice and solutions for problem periods. Its period tracker app has been downloaded more than 100,000 times, and its products, which includes MenstruHeat, an adhesive warming patch that provides drug-free pain relief, are distributed in 15 countries across Asia and the Middle East. The company has sold more than a million units.