NEOGEN Dermalogy Real Retinol Serum 30mlThe secret ingredient to anti aging. Formulated with 0. 01% of retinol and 2% of retinyl palmitate, it minimizes skin sensitivity but maximizes effective results. The biosysthesis of these ingredients boost collagen production and elastin in the skin allowing wrinkles to fade, and slow down signs of aging. This serum also contains BASAM a patented ingredient that quickly and effectively calms irritated skin and boost hydration at the same time. Unlike