dpHUE Apple Cider Vinegar Daily Scalp Serum in Beauty: NA. dpHUE Apple Cider Vinegar Daily Scalp Serum in Beauty: NA. dpHUE ACV Daily Scalp Serum is a lightweight scalp serum that helps soothe dry scalps, anchor hair follicles & activate healthy hair growth.. Suitable for all hair types Exfoliates & unclogs hair follicles ?. Vegan and cruelty-free Soothes irritated, dry and unbalanced scalps?. Free of parabens, phthalates, gluten, and formaldehydes. 1.7 oz. Section hair and evenly apply across the scalp using the dropper.. Massage in with fingertips.. Use on damp or dry hair. Do not rinse out.. DPHE-WU33. ACU000201. Helmed by uncompromising color enthusiast and founder Donna Pohlad, along with A-list celebrity colorist Justin Anderson, dpHUE knows what it's like to be both behind and in the chair - and it shows in their collection. Fading between appointments? They got your gloss. Roots creeping in? Not on their watch. No more panicking between salon visits - they're in your cabinet, your shower, and your bag. Just nourishing, premium products that help you keep color fresh, whenever, wherever.