Our Stem Cell Thickening Foam™ combines styling performance with targeted scalp support. This dual action bi-phase formula that keeps scalp-care actives and conditioning oils separate - so both can work without compromise. Powered by 2% Apple Stem Cells and Hydrolyzed Rice Protein, it delivers immediate root lift while supporting thicker-looking hair over time. | Act+Acre Stem Cell Thickening Foam™️For Volume + Fuller-Looking Hair, 4 oz | Dermstore