So, how do you choose the right volume developer for your hair? It's all about considering your hair type and the color result you want to achieve. If you have damaged or over-processed hair, you'll want to opt for a lower volume developer to avoid further damage.
How to Choose Developer for Hair Color: 10 Steps (with Pictures)
On the other hand, if you're looking to make a bold statement with your hair color, you'll want to go for a higher volume developer. Just remember to follow the instructions carefully and do a strand test before applying the color to your entire head.
One of the funniest things about volume developers is the fact that they can be used in so many creative ways. For example, you can use a 20 volume developer to create a subtle, balayage effect or a 30 volume developer to achieve a dramatic, all-over color.