This lightweight scalp serum defends against visible signs of premature scalp aging. It strengthens and repairs scalp barrier to help support a balanced microbiome and soothes irritated scalp, helping reduce the look of redness and dryness, leaving the scalp soft, supple and nourished. Improves scalp hydration instantly and overtime. In a clinical test of 32 women, scalp hydration was reported: +105% hydration in 1 night* +111% in 1 week** +140% in 1 month*** +24% improvement in scalp barrier strength** In one week, the protective barrier is reinforced* In 1 month: 96% said scalp felt less sensitive**** 92% said appearance of redness was reduced***** 94% said it left the scalp feeling comfortable****** 94% said it left the scalp feeling hydrated****** 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.