Rejuvenating Rich Moisture Cream with MHCsc™ Technology50 GR 1. 7 OZ KERACELL Rejuvenating Rich Moisture Cream is for dry and mature skin. Going beyond the benefits of MHCsc Technology, we formulated this luxurious rejuvenating moisturizer with the worlds most innovative ingredients, one of which is called REVINAGE, a plant based alternative for Retinol and or Retinyl Palmiitate for improved cell turnover. Non phototoxic (like retinol) and is plant derived, making it a much more natural alternative.