Folic acid is a B vitamin (B9) that supports cell health and renewal. In skincare, it's included to help maintain skin barrier function and support overall skin vitality, though its effects are primarily internal when consumed as a supplement.
Benefits
Supports skin cell turnover and renewal
May help maintain skin barrier integrity
Contributes to overall skin health as part of a balanced nutrient profile
Science: The provided research indicates that folic acid deficiency is significantly associated with oral health issues, including recurrent mouth ulcers (OR, 7.55), suggesting its importance for mucosal and epithelial tissue health. Limited direct peer-reviewed data exists on topical folic acid efficacy in skincare products; most evidence supports systemic intake for tissue health benefits.
