Retinol, Retinoids and Retinal: Miracle Ingredients or Modern Skin Stressors?

Vitamin A is essential for normal skin function, immune regulation and cellular repair. But not all forms of vitamin A act the same, and the way you deliver it — through food, topical actives or natural oils — makes a substantial difference in how the skin responds. This article explains how dietary vitamin A, natural plant oils containing vitamin A, and topical retinoids influence skin health, with reference to evidence-based research.