Use the S01 Clay/Mud Mask™ Brush to scoop and spread thick masks onto your skin. Use the S02 Spatula™ Brush to reach the bottom of small bottles and jars, or scoop and mix skincare products for customizable care. Use the S05 Moisturizer™ Brush to gently apply moisturizer all over your face, using the angled brush head to reach small areas. Use the S10 Serum™ Brush to apply gel or liquid serums onto your skin. For gel serums, apply product directly onto S10 brush. For liquid serums, apply product directly onto face before using the S10 to blend it in. Use the S15 Gel Mask™ Brush to gently apply gel masks onto your skin in a circular motion. Use the S20 Eye Cream™ Brush to gently press on eye cream around your entire eye area, from under the eye to the brow bone. You can also use this brush to spot treat blemishes. For a cooling application to soothe and de-puff skin, chill these brushes in the fridge before use.