What it is: A fast-absorbing, water-based scalp serum, made with rosemary and biotin, that visibly thickens your hair.Hair Texture: Straight, Wavy, Curly, and CoilyHair Type: Fine, Medium, and ThickHair Concerns:- Dryness- Flaky/Dry Scalp- ThinningKey Benefits: - Visibly improves hair density and fullness while strengthening strands- Supports hair and scalp vitality- Hydrates and moisturizesHighlighted Ingredients:- Biotin: Is essential for hair strength and growth.- Aloe Vera Stem Cell Extract: Soothes, hydrates, and moisturizes.- Rosemary Extract: Increases circulation and supports hair density and vitality.Ingredient Callouts: This product is vegan, gluten-free, and cruelty-free.What Else You Need to Know: This lightweight, fast-absorbing, water-based serum is formulated with over 21 density-nourishing actives to support hair growth and scalp health. With daily use, it boosts the look of thickness, adds hydration, and empowers overall hair and scalp vitality.Clinical Results: In an independent consumer-perception panel of 39 women (ages 18 to 65):After 8 weeks of daily use:- 90% experienced an increase in hair's density- 87% noticed hair appeared to be stronger than beforeAfter 16 weeks of daily use:- 87% noticed a reduction in hair loss/shedding after using the serum in addition to Sienna Naturals H.A.P.I. Shampoo, Plant Power Repair Mask, Dew Magic Leave-in Conditioner, and Dream Curl Cream (each sold separately)Clean at SephoraOur commitment to offering formulas that go beyond regulatory standards to avoid controversial ingredients without sacrificing effectiveness.