La roche posay hydraphase intense serum 30ml is a concentrated gel that rehydrates your skin and reduces tightness it has a melt in gel texture that is fast absorbing fresh and non greasy r r active ingredients that increase hydration r r it contains active ingredients like hyaluronic acid fragments for retaining skin moisture and arginine and serine to capture water and maintain a perfect hydrated balance r r the serum contains a high concentration of la roche posay thermal spring wat