FREE Collective Laboratories Hair Serum

For this tester campaign, we’re talking about hair & scalp health. We’re looking for 100 testers to review the Activating Serum for Collective Laboratories, a brand dedicated to finding natural and science-backed solutions to healthy hair. We all have varying hair concerns, but the Collective Laboratories is a multi-use hair serum that is suitable for all hair types. Apply now a share your happy hair journey with us!

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