Trend Statement: Concentration level of actives
Markus Lüthy, founder and MD of Elfetin Cosmetics, explains why not just the active substance but also the concentration level of such a substance that plays a key role in the efficacy of cosmetics. Based on many years with the active substance suppliers Pentapharm (now DSM) Mr. Lüthy can confidently say that in Elfetin’s products, … Read more