Core Viewpoint - The rising popularity of alloy jewelry, characterized by its attractive appearance and low price, has led to health concerns, particularly regarding "jewelry dermatitis" caused by prolonged wear of such items [1][3][4] Group 1: Market Trends - Alloy jewelry is becoming a consumer favorite due to its high aesthetic appeal and affordability, particularly among younger demographics with limited financial resources [1][3] - The market for "sand gold" jewelry is also expanding, with some merchants claiming monthly sales exceeding 100,000 units, despite the lack of clarity regarding its actual material composition [5][6] Group 2: Health Concerns - Prolonged use of alloy jewelry can lead to "jewelry dermatitis," a type of contact dermatitis triggered by metals like nickel and chromium found in low-quality jewelry [3][4][5] - The presence of harmful elements in jewelry can exceed national safety standards, leading to skin irritation and allergic reactions, especially during summer when skin is more exposed [4][8] Group 3: Consumer Advice - Consumers are advised to check the composition of alloy jewelry before purchase and to avoid long-term wear without breaks to minimize the risk of skin reactions [5][9] - It is recommended to purchase jewelry from reputable brands and to be cautious of low-priced items that may contain harmful materials [9]