Julia Youssef, Assistant Vice President, L'Oréal Technical Center answers your frequently asked questions about hair color:

Watch Video: Ask The Colorist



Coloring Over Highlights

I have highlights in my hair. If I color my hair over the highlights, will the highlights appear as a lighter shade?

Yes, they'll appear lighter, brighter or both. Just how light and bright? That depends on your highlights. Some women get very subtle streaks just a shade lighter than their base color, while others go for bold chunks much lighter than their base color. Therefore, when shopping for an at-home hair color product, base your shade selection not on your base color but on your highlights. Don't try to go lighter -- match, redden or deepen the tone you already have.

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