What Materials Are Environmentally Friendly for Hair Bundle Labels?
I. Core Standards for Selecting Eco-Friendly Materials The environmental friendliness of hair bundle labels should meet the principle of “life-cycle sustainability”—minimizing environmental impact across every stage from production and use to disposal. The key criteria include three aspects: Biodegradability:After disposal, the material should decompose naturally (in soil or seawater) into harmless substances such as CO₂, […]
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