The Concrete is a natural product obtained through extraction of fresh or wilted natural material with volatile solvent. The extraction process is a process of achieving one or several compounds from the source material by using selective solvent. The extraction consists of extraction of the source material with a solvent, evaporating it from the solution and obtaining of the concrete as non-volatile residium. Rose concrete (Rosa damascena) possesses anti-bacterial, bacteriostatic and epithelializing action. Item # 117-73

Marigold concrete (Calendula officinalis) possesses regenerating and epithelializing action. Item # 117-74
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