Harklinikken Restorative Shampoo

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Harklinikken Restorative Shampoo

What it does: A gentle proprietary complex (great for those with a dry or sensitive scalp) deep cleans, helps regulate sebum production, and creates a healthy environment for hair growth.

How to use it: Apply it to wet hair, massage it into your scalp with a decent amount of pressure, and rinse.

When you'll see results: Three to four months.

$68; Harklinikken.com.