how can you make your hair thicker?

Issue by Carmen P: how can you make your hair thicker?
my cousin has alopecia areata, and her hair grew back. it utilized to be thick just before it started slipping out, but now its genuinely thin. does any person know how she could make it thicker?
oh yea and she has curly hair

Best reply:

Response by kristina
get layers and use hairspray to tease it up.

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