An oil alone won't work well as a thermal protectant. Some oils break down at high temperatures and others simply don't provide a strong enough barrier.
If your hair is severely damaged, it will not be possible to get a color that requires pre-lightening, such as pink, without risking severe damage and breakage.
Heat damage happens from using blow dryers, curling irons, and flat irons, so it’s incredibly important to use a heat protection product whenever you’re using these tools. People tend to...