Hair experts say you should wait at least 4 to 6 weeks between full color applications. That’s not a suggestion; it’s a truce negotiation between you and your strands.
If you’re going lighter, you need even more time. Bleach is like a wrecking ball, and your hair needs to rebuild its structural integrity.
Think of it this way: you wouldn’t bake a cake, then put it back in the oven three times. Don’t do that to your head.