Generally cotton fabric and polyester fabric are colored using synthetic dyes. But dyeing cotton is a more water- and heat-intensive process.
Information for Textile Dyes and Chemicals
Which is Better - Cotton vs Polyester?
Types of cotton fabric (120 examples) - SewGuide
Do Cotton/Polyester Fabrics Shrink? Here's What You Need To Know
Fabric Names in English (as a list) - SewGuide
600D Polyester Fabric, Wholesale Outdoor Fabric
How to dye polyester fabrics (easier than you think!) - Elizabeth Made This
Can I dye cotton using Rit DyeMore Synthetic? Let me tell you.. it wasn't easy finding these two colors. Lol : r/dyeing
【Vibrant & Multicolor】 HTVRONT polyester dye powder is uniformly granular, well soluble and available in multicolors for fabric re-colourisation or
HTVRONT Fabric Dye for Polyester, Synthetic Fabric Dye - Large Capacity 60g Polyester Fabric Dye - Vibrant Polyester Dye for Plastic, Silicone, Fabric