Makes Hair Look As Thick As Your Biceps The Expansion Technology formula uses natural ingredients to make hair look thicker and fuller, while maintaining a healthy, flake-free scalp. The shampoo actually stimulates the scalp and hair follicles to sustain growth and minimize loss. This could be prime time to start a hair band. Revitalizes and strengthens new hair growth for full, thick hairDetoxifies hair and brings out a natural sheenBoosts hair volume and feel Especially Suited For: All hair types and color-treated. Essential Elements: Dermatologist tested. Vegan. Contains white lupine to regenerate and strengthen new hair growth. Soy protein provides structure for thin or weak hair. Free of: Fragrance, parabens, sulphates and colorants.