BioFil tapered filament for eyelash extensions 

BioFil Tapered Filament for Eyelash Extensions BioFil Eyelash Filament has excellent bending recovery strength and it is not easy to deform. The average breaking strength of BioFil Brush Filament not be less than 6.5cN/dtex, and the average elongation at break shall not be less than 20%. That filament advantages greatly reduce the product cost for brush manufacturers. The formaldehyde content of filament shall not exceed 75mg/kg. No heavy metal, no harmful or toxic substances. 100% environmental, anti-allergic and safe for human skin and nature. BioFil Makeup Brush Filament has been passed Biodegradability Test, Earthworm ecotoxicity Test, Ecotoxicological Test, Biological Disintegration Performance Test and Chemical Limitation Test. Tai Hing can provide complete authoritative test reports of Relis-BioFil.…

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