Vitamin C, also known as ascorbic acid, is an essential nutrient required for a wide range of biological functions. It is naturally present in the skin at high levels in both the dermis and epidermis. As a powerful antioxidant, Vitamin C plays a vital role in maintaining overall skin health and protecting it from environmental damage.
This topic is commonly studied in B.Sc. courses such as Biochemistry, Nutrition, and Life Sciences. Students pursuing B.Sc. course also learn about the role of Vitamin C in collagen synthesis and its importance in human physiology as part of their academic curriculum.
Humans cannot produce Vitamin C on their own. Therefore, it must be obtained through dietary sources such as citrus fruits, berries, tomatoes, potatoes, and green leafy vegetables. Although most Vitamin C is absorbed in the small intestine, its absorption rate decreases as concentration increases.
Vitamin C is particularly important for collagen synthesis. Proline residues on procollagen require Vitamin C for hydroxylation, which is essential for the formation of mature collagen’s triple-helix structure. This makes it crucial for maintaining skin firmness and elasticity.
What is Vitamin C?
Vitamin C, or ascorbic acid, is a water-soluble vitamin essential for collagen synthesis, L-carnitine production, and neurotransmitter biosynthesis. Unlike some animals and plants, humans are unable to synthesize Vitamin C internally. Therefore, it must be consumed through diet or supplements to meet daily requirements.
Why Do We Need Vitamin C?
Vitamin C supports tissue repair, enhances immune function, and maintains healthy skin. It is a powerful antioxidant that boosts collagen production, improves skin elasticity, and protects against UV-induced damage. External factors such as smoking, UV exposure, and pollution can reduce Vitamin C levels in the skin, making dietary intake and topical application important for maintaining healthy, glowing skin.
How Does Vitamin C Benefit Your Skin?
Vitamin C acts as a protective and restorative agent for the skin. Below are some of its major benefits:
- Anti-Ageing
- Hyperpigmentation
- Protection Against Sun Damage
- Reduces Redness and Inflammation
Collagen provides structure, elasticity, and firmness to the skin. Aging, sun exposure, and environmental stressors decrease collagen production, leading to wrinkles and sagging. Vitamin C stimulates collagen synthesis, helping the skin appear firmer, smoother, and more youthful.
Hyperpigmentation occurs due to excess melanin production, leading to dark spots and uneven skin tone. Vitamin C helps reduce melanin formation, thereby lightening dark spots and promoting a more even complexion.
Sun exposure can cause photoaging and oxidative stress. Vitamin C acts as a potent antioxidant that protects the skin against UV-induced damage. However, it should be used along with sunscreen for maximum protection.
In addition to its antioxidant properties, Vitamin C possesses anti-inflammatory benefits that help soothe irritated skin, reduce redness, and improve overall skin texture.
Who Should Avoid Vitamin C?
Individuals with sensitive skin may experience redness, irritation, or allergic reactions when using Vitamin C products. Dermatologists recommend starting with a lower concentration and performing a patch test before regular use to ensure compatibility with your skin type.
Blog By:
Dr. Shilpa Bhargava
HOD, Department of Science
Biyani Girls College,Jaipur