AMPHISOL® K is a white to beige, practically odorless powder. It disperses in hot water, producing clear to slightly opaque solutions which gel on cooling if concentrated. AMPHISOL® K is the golden standard for formulation types difficult to stabilize. Being well established as signature emulsifier for sunscreens and convinced with compelling emulsification power in other applications as well. AMPHISOL® K provides highest flexibility for various application forms such as from creme to sprays or over a broad pH-range. This emulsifier is proven for thermal and long-term stability. Further, it can be used to boost SPF protection and increase the water-resistance of an emulsion. Overall, it delivers a snow white creme, whereas the cetyl moiety was found to show best compatibility with skin lipids and confer rich texture and feel to the skin.