Apply your serum, oil, moisturizer, or mask first, then use the roller or gua sha to roll or massage outward and upward across the face and neck to help product absorption.
Product listings commonly claim suitability for "All Skin Types" and also specifically mention mature, dry, combination, normal, oily, and sensitive skin.
Care instructions vary: some recommend wiping the crystal parts with a dry or moist towelette and avoiding water, while others advise gently washing a gua sha with mild soap and warm water and drying thoroughly.
Use the small end to roll or glide outward above and below the eyes; roll or scrape upward from the chin across the cheeks and jawline; and roll or glide from the chin down toward the collarbone for the neck.
Product details typically list the material as quartz, and several descriptions state the tools are made from authentic rose quartz, often noting natural color variation.
Some listings recommend refrigerating the stone or storing gua sha tools in the fridge so the cool temperature enhances de-puffing of the face and eyes.