The global haircare supplement market is expanding steadily, with market revenue projected to grow from USD 1.40 billion in 2026 to USD 2.20 billion by 2036. According to Future Market Insights, Inc. (FMI), the industry is anticipated to register a compound annual growth rate (CAGR) of 4.6% over the forecast period. The market was valued at USD 1.3 billion in 2025, reflecting growing...