Dermatologists and beauty bloggers talk about vitamin C and Vitamin A usefulness for human skin, and it's no big surprise they are so popular. Vitamin C is a powerful antioxidant that increases collagen production and reduces signs of aging by repairing the harm done by free radicals and the sun. There is some important evidence that topical or oral use of vitamin C and Vitamin A for a long time is associated with enhanced skin texture and quality.
Vitamin C is a potent antioxidant substance that is used topically by the dermatologists to treat and prevent changes associated with photoaging. Likewise, it can be used in treating hyperpigmentation. If used every day, vitamin C gives several benefits, from making the skin tone even, protecting skin from the visible impacts of pollution, significantly enhancing hydration, and keeping your skin looking more youthful.
Vitamin C is a naturally occurring antioxidant. Most plants and animals can synthesize Vit. C in vivo from glucose but humans and some other vertebrates lack this ability due to the absence of the chemical L-glucono-gamma lactone oxidase that is required for the in vivo synthesis of Vitamin C; hence, humans need to get vitamin C from an external source such as citrus organic products, fresh green vegetables, strawberries, broccoli, and papaya.
What does vitamin C do?
Powerful antioxidant agent – it protects the skin from reactive oxygen species (ROS) by forming a part of the complex group of non-enzymatic and enzymatic antioxidants. The process of oxidation harms the skin cells. Vitamin C as an anti-oxidants helps to repair and renew the cells and give the skin a more healthy look.
Stimulate collagen production – Collagen helps in holding our body cells. Vitamin C stimulates the synthesis this collagen in the skin. High collagen content in the skin gives the skin a tighter and firmer look. Vitamin C can be used as an early treatment of skin wrinkles. Several studies have shown that the topical use of Vitamin. C increases collagen production in the skin of both young and aged human being.
Restores and regenerates human skin – Vitamin C attacks the free radicals in the human body and repairs the damage caused by the free radicals. with consistent application of vitamin C, acne scar will fade away.
Depigmentation agent: Vitamin C interacts with copper ions at the tyrosinase-active site and hinders the action of the compound tyrosinase, thereby decreasing the melanin formation. Vitamin C additionally acts on the perifollicular pigment.
Anti-inflammatory action of Vitamin C - Vitamin C has a potent anti-inflammatory activity and can be used in treating acne vulgaris and rosacea. Vitamin C promotes wound healing and prevents post-inflammatory hyperpigmentation.
Protects you from the sun – overexposure to the sun can cause skin damages such as hyperpigmentation and sun spots. A vitamin C helps to prevent the effect of the sun on the skin and also lower the risk of skin cancer by thickening the dermis layer.
Vitamin A is an important vitamin that helps to maintain skin and adnexa integrity and epithelial differentiation. Deficiency of vitamin A in chronic illness, malabsorption syndromes, and liver diseases may bring about skin xerosis, follicular keratosis, and metaplasia of mucous membranes. Vitamin A can be used in treating psoriasis, keratinization disorder of the skin, and serious acne.
In conclusion, Vitamin C and A are naturally occurring substances with many beneficial effects to human skin. The two Vitamins have good safety profile, they increasingly being used in treating photoaging, hyperpigmentation, inflammation of the skin and they also help in promoting wound healing.