I think it is so important to include a retinol serum in your everyday beauty treatment as we get older! I have been using this serum for almost 5 years and swear by it! This power-packed product is infused with an enhanced retinoid complex, probiotics, as well as growth factor-mimicking peptides to rewind the clock. As we age we should incorporate retinol into our everyday beauty routine! Use code TERESA20 to get 20% off this product at www.globiotics.com GLOWBIOTICS donates 1% of sales to help support and change the stigma around mental illness. Shop this serum at www.globiotics.com and put in code TERESA20 to get 20% off of your purchase!