{"niche":"...","description":"Which derma roller is best for beginners with sensitive skin?","products":[{"brand":"Beauty ORA","model":"Deluxe Microneedle Dermal Roller System 0.25mm - Gold/Black","price_gbp":18.51,"origin_country":null,"specs":{"needle_count":"540","needle_length":"0.25mm"},"confidence_score":null,"sources":[{"label":"Dermstore","url":"https://www.dermstore.com/p/beauty-ora-deluxe-microneedle-dermal-roller-system-0.25mm-gold-black-1-piece/12085483/","currency":"USD","source_country":"US","price":35.0,"price_gbp":25.73,"scraped_at":"2026-08-28T00:35:27.408250"},{"label":"Lookfantastic","url":"https://www.lookfantastic.com/p/beauty-ora-deluxe-microneedle-dermal-roller-system-0.25mm-gold-black-1-piece/12085483/","currency":"USD","source_country":"US","price":25.18,"price_gbp":18.51,"scraped_at":"2026-08-28T00:35:27.408250"}],"summary":"The Beauty ORA Deluxe Microneedle Dermal Roller has 540 medical-grade stainless steel needles with a 0.25mm depth. It is designed for facial, body, neck, and scalp use to help improve the appearance of fine lines, scars, pores, and uneven texture.","ideal_for":"适合敏感肌初学者，因为其0.25mm针头是该产品所列的最短尺寸，并且被描述为能温和地刺入皮肤，但用户应在使用前用酒精对滚轮进行消毒。"},{"brand":"Beauty ORA","model":"Deluxe Microneedle Dermal Roller System 0.25mm - Silver/Black","price_gbp":12.46,"origin_country":null,"specs":{"roll_size":"1 piece","needle_count":"540","needle_length":"0.25mm","sterilization_method":"Alcohol or similar disinfectant"},"confidence_score":null,"sources":[{"label":"Dermstore","url":"https://www.dermstore.com/p/beauty-ora-deluxe-microneedle-dermal-roller-system-0.25mm-silver-black-1-piece/12085484/","currency":"USD","source_country":"US","price":35.0,"price_gbp":25.73,"scraped_at":"2026-08-28T00:35:27.408250"},{"label":"This is Beauty US","url":"https://thisisbeauty.us/nl/products/beauty-ora-microneedle-dermal-roller-system-0-25mm-silver-black-missing-box","currency":"USD","source_country":"US","price":16.95,"price_gbp":12.46,"scraped_at":"2026-08-28T00:35:27.408250"},{"label":"DestGlow","url":"https://destglow.com/products/beauty-ora-microneedle-dermal-roller-system-0-25mm-silver-black-missing-box?variant=46187124818091","currency":"USD","source_country":"US","price":31.99,"price_gbp":23.52,"scraped_at":"2026-08-28T00:35:27.408250"}],"summary":"This handheld derma roller has 540 medical-grade stainless steel needles measuring 0.25mm and uses Disc Needle Technology. It is designed for facial and body use and suits people seeking a compact tool for uneven texture, fine lines, scars, pores, or skincare absorption.","ideal_for":"适合敏感肌初学者，因为其0.25mm针头是该产品系列中最短的针头，并被描述为可温和地刺入皮肤；使用前可用酒精对设备进行消毒。"}]}