Posts Tagged ‘preservatives’
August 19th, 2015 by Dr. Hannah Sivak
How to layer products After a shower or bath, the skin will be more permeable to water soluble actives. Take advantage of this by using water-based serums first. Then you can layer oil-based serums or creams on top. Exfoliators (acidic like Alpha/Beta, protease-based like Pumpkin Enzyme or physical like Exfoliation Set) will increase skin permeability, so take advantage of this and apply Collagen Serum immediately after exfoliation. Don’t mix serums together in the same bottle, they are O.K. as they are. Some cannot be mixed, like water-based (Antioxidant Serum) and oil-based (ELS) serums. Some will allow for mixing but the actives in the mix will interact with each other and…
February 9th, 2015 by Dr. Hannah Sivak
Let’s talk about preservatives How do we make a product that is microbiologically safe for the user? First, we start with very clean ingredients and work in a very clean environment: the objective is to limit bacterial and fungal presence to a minimum. But bacteria and mold are part of our environment and, sooner or later, spores will make their way into your skin care products.