By Andrea: thebestorganicskincare.com Vitamin C – stimulates collagen production, reduces hyper-pigmentation and fights free radicals. Vitamin E – a powerful antioxidant that protects and repairs the skin and also stimulates collagen production. Many plant oils and plant butters are high in vitamin E. ​Carotenoids and Carotenes – precursors of Vitamin A that have been shown to change to Vitamin A (retinol) […]