Life Hacks :
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By the second trimester, a surge in estrogen can make your hair grow faster and become less likely to fall out. Here’s the deal on dyeing: Most derms and doctors say that it's perfectly safe. But if you want to take extra precautions anyway, opt for a vegetable-based or ammonia-free dye at home. Or ask your stylist for some strategic balayage so the color is applied directly to the hair shaft–as opposed to your scalp–to limit contact on skin.
