Effect of Hair Care Products on Dandruff

New insights on dandruff/seborrhoeic dermatitis: the role of the scalp follicular infundibulum in effective treatment strategies

“…ZPT is mostly insoluble, being formulated as a particulate dispersion and delivered to the scalp surface as a particle. The material retained on the scalp surface after rinsing 1–3 is believed to represent the primary source of sustained antifungal benefits due to the long exposure time vs. the short opportunity for activity during the shampoo lathering step. The formulation approach to retaining ZPT on the scalp after rinsing in advanced shampoos involves coacervate delivery, which is the rinsing‐triggered phase separation of an aqueous gel that traps and deposits ZPT particles on the scalp.…”