Fifty eight-year-old Falguni Nayar, CEO and founder of specialty beauty and personal care platform Nykaa, is now India’s richest self made woman billionaire.

Nayar, who owns about half of Nykaa, is now worth about $6.5 billion as shares of the firm surged as much as 89% when they started trading Wednesday. She’s become India’s wealthiest self-made female billionaire, according to the Bloomberg Billionaires Index.