Cold Processed Stem Cell Serum Cold Processed Stem Cell Serum The Apple Stem Cell Scalp Serum promotes and extends the growth phase; lessens hair loss, thinning, and fall out; and soothes and hydrates the scalp.. Targets concerns of scalp dryness and hair thinning. Eco-friendly glass bottle, vegan & cruelty-free. Free of Silicones, Sulfates, Parabens, and Gluten. 2.2 fl oz/ 65 ml. On clean damp or dry hair- apply 1-2 pipettes along the hairline and part. Massage into scalp evenly. Leave on and do not rinse. ACTC-WU9. AA0022B. Act+Acre is the first modern hair wellness brand that encourages you to treat your hair like you treat your skin. The brand is reinventing the way the haircare industry thinks about products. They are the first hair care brand to truly combine science and wellness, creating the world's first Cold Processed haircare line. Inspired by the boom in plant-based skin care that is both gentle and increasingly efficacious, Act+Acre uses natural ingredients and a patented Cold Processed technique to ensure the active ingredients remain fresh and highly potent, just as nature intended. Act+Acre isn't about quick fixes. They're about expertise, caring, and thinking things through. They're talking about the long-term well-being of your scalp and your hair. More importantly, about your own well-being, and the well-being of the world.