Ponytail After Hair Coloring

A: I would strongly recommend waiting before putting your freshly colored hair into a ponytail, though not necessarily for the reasons you might expect. While color transfer and ring marks are legitimate concerns, the bigger issue is the potential for structural damage to your hair when it's in its most vulnerable state.
The concerns you mentioned about color transfer and ring marks are also valid, especially depending on the type of color formula used. Certain hair colors are notorious for their tendency to bleed or leach out during the first few days after application. Red-based colors are particularly problematic in this regard because they contain pigment molecules that are smaller and more mobile than other color families. These molecules can more easily escape through the temporarily opened cuticle layer, potentially staining anything they come into contact with, including hair elastics, pillowcases, clothing, or even creating uneven color distribution in your hair.
Semi-permanent and demi-permanent color formulas also tend to be more prone to bleeding since they're designed to gradually wash out over time. These formulations don't penetrate as deeply into the hair shaft and rely more on coating the outside of the hair, making them more likely to transfer during the first few washes.
The intensity and depth of your color also play a role in determining how cautious you should be. Darker, more vibrant colors generally contain higher concentrations of pigments that are more likely to bleed or transfer. If you've gone for a bold red, deep purple, or rich black, you'll want to be extra careful about anything that comes into contact with your hair for the first few days.

When you do eventually style your hair up, consider using a leave-in treatment or light oil on the areas where the elastic will sit. This creates a protective barrier that can help prevent both color transfer and mechanical damage. Products containing silicones can be particularly effective for this purpose, as they form a smooth, protective coating around each hair strand.
The quality of your hair before coloring also affects how it will respond to the ponytail. Hair that was already damaged, over-processed, or chemically treated may be even more fragile after coloring and require extra gentle handling. If you've had multiple chemical treatments recently, such as bleaching, perming, or straightening, your hair may need several days to a week before it's strong enough to handle the tension of being pulled back into a ponytail.
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See also:
Ponytails and hair damage
Can you sleep with temporary hair color?
How to prevent red hair color fading