It increases the appearance of firmness by plumping up fine lines and wrinkles, treat pigmentation and smooth the surface of skin. Retinol is derived from vitamin A and is found in many anti-aging skin care products. Here’s why your skin responds to skin care products with retinol: vitamin A has a molecular structure that’s tiny enough to get into the lower layers of skin, where it finds collagen and elastin. And skincare product with retinol are recommended using it at night, because sunlight can destabilize the retinol molecule making it less effective. If you’re considering incorporating retinol into your skincare routine, here’s some skincare products you could choose.