Product Details Avedas lightweight Scalp Solutions Overnight Scalp Renewal Serum defends against visible signs of premature scalp aging and improves scalp moisture. It strengthens and renews the scalp barrier and soothes irritated scalps, helping reduce the look of redness and dryness, leaving the scalp soft, supple and nourished. ; Biotech Naturals blend of Lactobacillus Ferment and Ectoin, plus Hyaluronic Acid helps strengthen and repair the scalp barrier to help support a balanced microbiome and helps improve scalp hydration for a more supple scalp. ; Adaptogenic Centella Asiatica and Andrographis help protect scalp against pollution, oxidative stressors and environmental aggressors which can lead to signs of premature scalp aging. It helps soothe irritation. It has a light, soothing aroma balancing airy and fresh citrus and floral notes with a soft heart of flowering herbs - lavender, neroli and chamomile. ; In a test of 32 women, scalp moisture was reported: +51% in 1 night* +111