We're surrounded by "miracle" skincare products promising to fix every concern. Some ingredients really do work, just not always for the reasons the ads claim. So what do doctors and scientists say your skin actually needs? It starts with five key vitamins: A, B, C, D and E.
Here's how each vitamin supports healthy skin, the best food sources, and how to deliver them topically.
A Quick Look at Your Skin
Your skin has three layers:
- Epidermis: the outer layer you see. Its cells produce keratin, harden and form a protective seal, then shed as newer cells rise to the surface.
- Dermis: the middle layer, home to collagen, elastin, blood vessels and nerves.
- Subcutis: the deepest layer, made of fat and connective tissue.
Skin thickness varies by body area, age (older skin is thinner) and sex (men's skin tends to be thicker). According to the National Library of Medicine's consumer health resource InformedHealth.org, your skin acts as a barrier against germs, toxins and moisture loss, helps regulate body temperature and stores water and fat.
Healthy skin performs these jobs well and looks hydrated, even and youthful. The right vitamins help make that possible.
Vitamin A: For Renewal and Firmness
Vitamin A compounds are called retinoids. Retinol is the best-known form in skincare. Topical retinoids:
- Speed up cell turnover, revealing fresher skin
- Increase collagen production, reducing fine lines and wrinkles
- Help clear acne
- Help prevent moisture loss
The Linus Pauling Institute at Oregon State University reviews the evidence on vitamin A and skin health.
Food sources: carrots, sweet potato, pumpkin, mango, papaya, leafy greens (as beta-carotene)
Gentle plant alternative: bakuchiol, which shows retinol-like results with less irritation
Vitamin B: For Barrier, Calm and Clarity
The eight B vitamins support nearly every function in the body. Your body doesn't store most of them, so you need a steady daily supply. Deficiencies can show up as dry, flaky, irritated or sun-sensitive skin.
- B1 (thiamine): supports the nervous and immune systems
- B2 (riboflavin): supports cell turnover and healthy skin
- B3 (niacin/niacinamide): the skincare superstar. It strengthens the barrier, reduces redness, regulates oil and fades dark spots (Niacinamide: mechanisms of action and its topical use in dermatology)
- B5 (pantothenic acid): as panthenol, it hydrates skin and supports repair
- B6 (pyridoxine): helps the body make serotonin and melatonin, which support mood and sleep
- B7 (biotin): helps the body metabolize fatty acids
- B9 (folate): supports cell production and repair
- B12 (cobalamin): supports cell regeneration
Food sources: whole grains, legumes, leafy greens, eggs, mushrooms, nutritional yeast, fish
Vitamin C: For Collagen and Brightness
Vitamin C earns its "brightening vitamin" reputation. A comprehensive review in *Nutrients*, The Roles of Vitamin C in Skin Health, describes how vitamin C:
- Is essential for collagen production, keeping skin firm
- Reduces melanin production, fading dark spots and hyperpigmentation
- Neutralizes free radicals from UV light and pollution
- Helps protect against sun damage and supports repair
Vitamin C deficiency leads to fragile skin and slow wound healing.
Food sources: citrus, guava, kiwi, strawberries, bell peppers, broccoli
Botanical sources in skincare: rosehip, sea buckthorn, Kakadu plum, amla, guava
Learn more in How to Get Rid of Hyperpigmentation Naturally and How to Increase Collagen in Your Face.
Vitamin D: For Repair and Immune Defense
Your skin actually *makes* vitamin D when exposed to sunlight. Vitamin D supports the skin's immune defenses, cell growth and repair. Low levels are linked to several inflammatory skin conditions. A review in *Actas Dermo-Sifiliográficas*, Vitamin D and the Skin, summarizes its role.
Food sources: fatty fish, egg yolks, fortified foods, UV-exposed mushrooms
Tip: Since sun exposure also causes skin aging and skin cancer, many dermatologists recommend getting vitamin D from food or supplements rather than extra sun.
Vitamin E: For Protection and Healing
Vitamin E is a fat-soluble antioxidant that protects skin cell membranes and barrier lipids from free-radical damage. It helps defend against photoaging and supports healing. A review in *Molecular Aspects of Medicine*, Vitamin E in human skin, describes how vitamin E naturally reaches the skin through sebum and protects it.
Food sources: sunflower seeds, almonds, hazelnuts, spinach, avocado
Botanical sources in skincare: wheat germ, sunflower, almond, argan, avocado and rice bran oils
Vitamins for Glowing Skin: Food First, Then Topicals
A 2024 review in *Nutrition*, Diet and skin health: The good and the bad, emphasizes that a varied diet rich in fruits, vegetables, healthy fats and protein supports healthy skin. Supplements can fill gaps, and topical vitamins deliver nutrients directly to the skin where they're needed.
Plant oils and botanical extracts are naturally rich in vitamins. That's why a moisturizer made with multiple plant oils works like a multivitamin for your skin.
Healthy Skin Tips
- Eat a colorful, varied diet
- Wear sunscreen every day
- Drink enough water
- Moisturize morning and night
- Get 7 to 9 hours of sleep
- Manage stress
- Use vitamin-rich topical skincare
Bel Essence: Vitamin-Rich Botanical Skincare
- Morning Radiance Revitalizing Night Cream: vitamin C, vitamin E and turmeric for overnight renewal
- Anti-Aging Face Moisturizer for Oily Skin: rich in vitamin A, vitamin E and essential fatty acids
- Bakuchiol Natural Retinol Serum: a plant-based vitamin A alternative with vitamin E-rich oils
- Antioxidant Face Serum: five plant oils packed with vitamins and omega fatty acids
- Anti-Aging Face Moisturizer & Lip Balm Set: argan oil, vitamin E and vitamin C
Explore every vitamin-rich botanical on our Ingredients page or shop all products.
FAQs: Vitamins for Skin
What vitamins are good for skin?
Vitamins A, B (especially B3), C, D and E all support healthy skin: from collagen production and cell renewal to barrier strength, even tone and antioxidant protection.
What is the best vitamin for glowing skin?
Vitamin C is often called the best vitamin for glowing skin because it brightens, fades dark spots and supports collagen.
Is it better to take vitamins or apply them to skin?
Both help. A nutrient-rich diet supports skin from within, and topical vitamins deliver concentrated benefits directly to the skin.
References
- org. How does skin work? National Library of Medicine.
- Linus Pauling Institute, Oregon State University. Vitamin A and Skin Health.
- Wohlrab J, Kreft D. Niacinamide: mechanisms of action and its topical use in dermatology. *Skin Pharmacol Physiol.* 2014.
- Pullar JM, et al. The Roles of Vitamin C in Skin Health. *Nutrients.* 2017.
- Vitamin D and the Skin: A Review for Dermatologists. *Actas Dermosifiliogr.* 2019.
- Thiele JJ, Ekanayake-Mudiyanselage S. Vitamin E in human skin. *Mol Aspects Med.* 2007.
- Diet and skin health: The good and the bad. *Nutrition.* 2024.