Choosing a memory foam pillow that offers the right balance of comfort and durability can significantly improve your sleep quality. 

Here are the key factors to look for to ensure you're investing in a high-quality memory foam pillow:

1. Certifications
Look for certifications like OEKO-TEX Standard 100 or CertiPUR-US to ensure the pillow is free from harmful chemicals and meets international safety standards.

2. Foam Density
High-density memory foam provides better support, durability, and pressure relief compared to low-density foam, which may lose shape quickly.

3. Rebound Speed
A good-quality pillow will have a slow rebound, molding to your head and neck for personalized support without flattening out too quickly.

4. Breathability
High-quality pillows often feature cooling technologies like gel infusions, ventilated foam, or breathable covers to regulate temperature and improve airflow.

5. Fabric Cover
A removable and washable cover made of soft, hypoallergenic, and moisture-wicking materials adds to the comfort and hygiene of the pillow.

6. Durability
Test for shape retention and resilience. A premium memory foam pillow should maintain its structure and support over time without sagging.

Conclusion
A high-quality memory foam pillow is certified safe, made with high-density foam, offers cooling features, and retains its shape for long-term use. Paying attention to these details ensures you choose a pillow that enhances your sleep and overall well-being.