Do Not Use It Too Frequently; otherwise, It Will Thicken The Cocoon Thicker Dead Skin Needs To Be Repeated 2-3 Times To Be Effective, Use. It’s Normal If You Don’t Clean It This Time, Rub Your Feet Moderately. Don’t Overdo It; it’s Easy To Scratch Your Feet Two Ways To Use: Nail Polishing, Remove Foot And Hand Dead Skin, Cuticle And Stubborn Callus Made Of Plastic Plus Stainless Steel, Which Is Durable And Not Easy To Deform. Helps Cracked Heels, Exfoliates, And Smooths Stubborn Callus On Feet. Heavy-Duty Diamond-Shaped Etching Gently Removes Dead Skin From Feet