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Local hair care company’s mane mission: creating a serum that will make you roar

Limp hair is almost as disheartening as a limp handshake. Merelta Root Renewal serum may be your easy fix. The lightweight algae-based serum, which was developed by Boston-based hair care company Merelta and introduced last spring, is a leave-in scalp treatment. A once daily application is reported to reduce shedding and promotes hair strength. An added bonus — it also leaves tresses shiny. Merelta Root Renewal serum, $48 at merelta.com

Marni Elyse Katz is a regular contributor to the Globe Magazine. Send comments to magazine@globe.com.