Whether to use powdered pigment or liquid pigment in your resins has been up for debate for a while now in the resin art community.
Epoxy Pigment Guide What is a Pigment in Resin Art ? – Let's Resin
Transparent Pigment for Epoxy, 8 Jewel Tone Colors
Colour Resin With Resin Pigments from Just Resin
High Performance Epoxy Resin and Fumed Silica Thickening Agent and Red – Clear Choice Epoxy Resin
Differences between powder and liquid epoxy pigments
Resin Pigment Powder vs. Liquid: Which Should You Choose? – MEYSPRING
24 Colors Liquid Pigment Diffusion Pigment Handmade Epoxy Resin Pigment Liquid Dye Ink Lip Gloss Lipstick DIY Cake Candy Making - AliExpress
How to Color Clear Epoxy Resin? A How To Guide to Painting Epoxy Resin – ArtResin
CULR Set of 3 Metallic Effect Liquid Pigments for Epoxy - Easy Composites