This length is perfect for exfoliation! The Hydration Roller is a 2-in-1 system. As you roll the microneedle roller over your skin, it simultaneously uses your favourite serum.4. Skin Roller:This new beauty massage tool is a combination of a skin roller and a serum introducer.The serum can be continuously and automatically introduced while rolling.The user-friendly design eliminates the need for application and is easy to operate.
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