Aveda Scalp Solutions Overnight Scalp Renewal Serum is a lightweight, fast-absorbing serum designed to defend against premature scalp aging. It strengthens the scalp barrier, promoting a balanced microbiome while instantly soothing irritation. Clinically proven to boost hydration by up to 140% in just one month, this formula reduces redness, dryness, and discomfort. Enriched with Centella Asiatica, Ectoin, and Ginger Root Extract, it nourishes the scalp overnight, leaving it soft, supple, and revitalized by morning. Suitable for all scalp types.