Is Hyaluronic Acid Filler Vegan? Sourcing and Ethical Considerations
                                
                                
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                                    4 min read                                
                            
                                For decades, hyaluronic acid used in cosmetic fillers was derived from animal sources, specifically rooster combs. Today, advancements in biotechnology mean most hyaluronic acid filler ingredients are vegan, but the product's overall status can be complex.