What Deficiency Causes Curly Hair? And How Nutrition Shapes Hair Texture
                                
                                
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                                    4 min read                                
                            
                                Hair follicles are among the most rapidly dividing cells in the body, which is why nutrient deficiencies can have a profound impact on hair growth and texture. While genetics is the primary determinant of hair type, an interesting medical case has prompted the question: what deficiency causes curly hair?.