Skin care as hair care is a trend we’ve grown to know and love. Whether it’s micellar-water shampoos, scalp scrubs with salicylic acid, or entire hair-care ranges inspired by trending skin ingredients (The Inkey List, we’re looking at you), we truly learned our lesson in 2020. That lesson being, it’s a pretty solid idea to inject as many savvy ingredients into our hair-care regimens as in our skin-care routines.

However, while much of the hair-care world has already dabbled in reliable favorites such as hyaluronic acid, clay, and even vitamin C, retinol hair care has been a relatively untapped phenomenon. But could our hair benefit from the gold standard of anti-aging in skin care?

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