The formulations of this therapeutic oil are verified by New Zealand medical herbalists and local professional practitioners for specialized product purpose and demands from our customers. It includes therapeutic medical herbs, such as heartsease, cleavers, albizzia, and lavender. Dermacare ESR plus +5 is all high astringent properties. Astringents are substances that can dry, tighten, and harden tissues. The astringent in Dermacare ESR plus +5 temporarily tighten and reduce oozing skin or stop discharges.