In 2026, U.S. Healthy Hair Act and EU CMR ban drive wig brands to adopt sustainable, low-sensitization formulas. 47% of new synthetic wigs use recyclable/degradable heat-resistant fibers; more brands use eco-friendly packaging. Medical-grade low-sensitization materials avoid scalp allergies. Bellami Hair’s plant-based adhesive extensions (formaldehyde-free) passed EU certification, with sales up 35% vs traditional models, verifying health and environmental protection market potential.