Revita Free -

Completely free of sulfates, silicones, parabens, phthalates, and gluten.

Stimulates the scalp and may help inhibit DHT, the hormone associated with hair thinning. Revita Free

Essential building blocks that strengthen the hair shaft and reduce breakage. Completely free of sulfates

While "solid content" is not a standard marketing term for this shampoo, it technically refers to the left behind once the liquid carriers (like water) evaporate or are rinsed away. In the context of Revita, this "solid content" consists of a dense "redensifying complex" designed to support hair thickness and scalp health. Key "Solid" Active Ingredients Revita Free