How Do Hair Extensions Work?


Quick Answer

Hair extensions are blended with natural hair to add fullness and length. Hair extensions can be installed using various methods, including sew-in, tape-in and fusion. Installation and maintenance costs vary among different extension methods.

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Full Answer

Sew-in extensions are done by cornrowing natural hair and sewing extensions onto braids using thread. This extension method is best suited for thicker and kinkier hair. Thinner or silkier hair may not stay braided as well. Sew-in extensions may be worn for up to four months. After removing a sew-in weave, extension hair may be reused. Allure explains that on average, sew-in applications range in cost from $100 to $1000.

Tape-in extensions are a quick method of adding extensions wherein hair-weave wefts are attached to sections of hair using double-sided tape. The application process takes approximately one hour. Tape-in extensions may be reused after they're removed them from hair. Tape-in extensions may cost anywhere between $300 to $2,000. These hair extensions must be maintained every six to eight weeks.

The most costly hair extension method is fusion, which uses heat to fuse individual strands with keratin tips to natural hair. Fusion extensions take up to four hours to be added into the hair and last three to four months with proper care. This extension type ranges in cost from $500 to $2,000. Fusion extensions may not be reused after they're removed from hair.

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