3. Treat Your Scalp
Try a scalp serum that promotes hair growth. Nowadays there is an abundance of hair products that you can use pre-shampoo or post shampoo to help promote hair growth.

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Carol's Daughter's Lisa's Hair Elixir

Carol's Daughter's Lisa's Hair Elixir, $20 from Carol's Daughter
Carol’s Daughter’s Lisa’s Hair Elixir is a perfect before shampoo treatment for your scalp.