"Unlocking the Power of Vitamin C: From Serums to Deficiency Signs, What You Need to Know"

Vitamin C and ferulic acid are a powerful duo in skincare, as they enhance each other's effects and provide protection against UV damage. Ferulic acid stabilizes vitamin C, which is known for its instability, making it more effective. The combination of these ingredients maximizes the potential of vitamin C. However, high concentrations may cause irritation, so it's recommended to start with lower percentages or gentler formulations, such as First Aid Beauty's 10% Vitamin C Brightening Serum, which is suitable for sensitive skin.