About Density Preserving Scalp Foam Density Preserving Scalp Foam unites a styling aid and scalp treatment in one. The weightless, dual-action formula adds lasting volume and texture at the roots, while creating an optimal scalp environment to help improve hair quality, shine and strength.Results that speak for themselves... 90% of trial users reported that their roots felt lifted* 84% of trial users agreed that this product worked better than any other root boosting product they have used* *Independent user trial