Formic Acid

Creates cool-toned shades in various fabrics while providing reliable wash fastness.

Adds a slight sheen to dyed fabrics while helping to retain vibrant colors over time.

A natural astringent that works effectively as a fixative, particularly for plant-based dyes.

Used in natural dyeing to create yellows and bright pigments while ensuring colorfastness.

A safe and effective fixative that is ideal for brightening colors in vegetable dyes.

Utilized in natural dyeing for its unique ability to enhance color depth and richness.

Sodium carbonate helps to set dyes on cellulose fibers, increasing color retention and washability.

Utilizes the natural gelling properties of chia seeds to enhance color retention in natural dyeing.

Known for its vibrant reds, madder root can also be used as a mordant for enhanced dye adhesion.

A traditional fixing agent that can also help in pre-treating fibers for better dye uptake.

Used to create vibrant and distinctive hues while also enhancing the durability of the dye.

This natural fixative helps to enhance reds and purples in dyes sourced from plants.

Iron based fixative that darkens and alters natural dye colors for unique results.

A natural and low-impact method using coffee as a fixative to create rich, warm tones.

A classic mordant used to set dyes on wool and cotton, providing better adherence and durability.

Rich in tannins, onion skins can serve as a fixative to help achieve golden hues on various fibers.

An effective fixative for cotton that helps set natural dyes, providing a soft finish.