A "concentrated serum" refers to a skincare product that has a high amount of active ingredients packed into a small amount of liquid. It is designed to deliver intensive and specialized benefits to your skin. Full definition
But beyond the basics, using a highly concentrated serum as a part of my daily skincare regime has become one of the most beneficial methods of keeping my skin looking bright and healthy. (thefashionablybroke.com)
No anti-aging skin care routine is complete without a serum and if reducing the signs of skin aging is the goal, then L'Oreal Revitalift Triple Power Concentrated Serum may be for you. (skincare.com)
Step 2: Treatment Serums: Concentrated serums provide skin the extra boost to regain its youthful clarity and fight dullness and should be applied directly to freshly cleansed skin. (thefashionablehousewife.com)