The color is pasted onto the fabric through a physical bonding agent or glue. The color eventually rubs off. Pigment-dyed garments tend to be less colorfast. The pigment dye is a layer on the surface of a textile; therefore the fading is imminent.
A complex dyeing process that creates a strong chemical bond that is very resilient and difficult to remove. Vat dyed items are resistant to bleach and other whitening agents.
The color is chemically bonded to the fabric. The color will fade if bleached. The color will fade when exposed to direct sunlight for a prolonged period of time. For example, sunlight reflected through a window can fade the color over time.