Stay away from the extensions: You can add instant oomph to your hair, brows, and lashes with fibers. These tiny, hairlike pieces latch onto strands to plump them up without looking fakey-fake. Three picks:

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If You Want to Boost Brows

Try: Toppik Brow Building Fibers Set ($20;

Start with the wax, made of shea butter and jojoba oil to condition and tame brows, then use the colored keratin protein fibers to fill in bare spots.

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If You Want to Lengthen Lashes


Try: Lorac Pro Plus Fiber Mascara ($23;

The tapered brush delivers nylon fibers that cling to lashes. Focus on the tips for length or the base for all-around fullness.

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If You Want to Pump Up Strands


Try: Viviscal Conceal and Densify Volumizing Fibers ($12;

Run the comb applicator through roots to distribute electrostatically charged tinted fibers, which add volume and cover grays.