Moreover, in the cosmetics and personal care sector, HPMC functions as a thickener and emulsifier, providing a smooth and desirable texture in lotions, creams, and other formulations. Its film-forming properties not only enhance product performance but also improve applicability on the skin, making it a popular choice among formulators for beauty and personal care products.
Encapsulation, which is used for both medications and dietary supplements, is one of the most widely utilized processes by both pharmaceutical and nutraceutical companies worldwide. Two of the most popular types of empty capsules used by both industries are gelatin and HPMC (hydroxypropyl methylcellulose), which is more widely known as “vegetarian capsules.”Today the global demand for empty capsules is skyrocketing. According to the Global Industry Perspective, Comprehensive Analysis, and Forecast, 2018–2025 report, the world market, which was approximately $1.92 billion in 2018, is expected to grow to about $3.16 billion by 2025. This represents a compound annual growth rate of about 7.38%.
Safety in Food Applications
hpmc safety

According to the JECFA database, there no limit for acceptable daily intake of HPMC, and GRAS (No. GRN 000213) record it as a safe material.