food coloring.

Not always. Many red food colorings contain Carmine (E120), which is derived from crushed cochineal insects. Synthetic dyes are often vegan, but generic 'food coloring' may contain animal-derived components.

Liquid food coloring typically lasts 2-4 years if stored properly. Gel and powder forms can last even longer, though they may dry out or clump over time.

You can use beet juice for red, turmeric for yellow, spinach juice for green, and butterfly pea flower for blue.

In small amounts, it is tasteless. However, using large quantities of liquid dye can sometimes add a slightly bitter chemical aftertaste.

Liquid coloring is water-based and best for light tints. Gel coloring is highly concentrated and better for deep colors in frostings or doughs without adding excess moisture.

Rubbing alcohol, vinegar, or a paste of baking soda and water are effective at lifting food dye stains from skin.

Yes, food coloring can be frozen within food items, but the concentrated dye itself should be stored at room temperature to maintain its consistency.

While FDA-approved, some studies suggest certain synthetic dyes may be linked to hyperactivity in sensitive children. Natural alternatives are often preferred for kids.

It doesn't 'spoil' in a way that makes it toxic, but it can lose its potency, change color, or develop mold if contaminated by food particles.