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What Is Vitamin C and Why Does Your Skin Need It?

If there's one ingredient that belongs in every skincare routine, it's vitamin C. This powerful antioxidant is a true skin superhero, helping to protect your complexion from environmental damage while simultaneously working to brighten, firm, and refresh your skin from within.

I've been using vitamin C serums for over a decade now, and honestly, I can't imagine my skincare routine without one. Whether you're dealing with dullness, dark spots, or just want that coveted "glow from within" look, vitamin C might be exactly what your skin is crying out for.

In this guide, I'll walk you through everything you need to know about vitamin C in skincare, from how it works to how to choose the right product for your skin type. Let's dive in!

The Science Behind Vitamin C for Skin

Vitamin C, also known as ascorbic acid, is a water-soluble vitamin that plays a crucial role in collagen production. Collagen is the protein that keeps our skin firm, plump, and youthful. As we age, our natural collagen production slows down, which is why fine lines and wrinkles start to appear.

When applied topically, vitamin C helps boost collagen synthesis, protect against free radical damage from UV rays and pollution, fade hyperpigmentation and dark spots, even out skin tone, provide antioxidant protection, and help vitamin E regenerate.

The result? Brighter, smoother, more radiant skin that looks healthier and more youthful.

Types of Vitamin C in Skincare

Not all vitamin C products are created equal. The most effective form is L-ascorbic acid, but it's also the most unstable and can oxidize quickly.

L-Ascorbic Acid: The purest and most potent form. Look for concentrations between 10-20% for best results.

Sodium Ascorbyl Phosphate: A gentler, more stable form that's great for sensitive skin.

Ascorbyl Glucoside: Another stable form that's gentle and suitable for all skin types.

Magnesium Ascorbyl Phosphate: An oil-soluble form that's excellent for dry skin types.

How to Use Vitamin C in Your Skincare Routine

Morning vs Evening: Vitamin C is best used in your morning routine because it helps protect your skin from environmental stressors.

Layering Order: Apply vitamin C serum after cleansing and toning, but before moisturizer and sunscreen.

Patch Test First: Always do a patch test first.

Start Slowly: If you're new to vitamin C, start with a lower concentration.

What to Look for in a Vitamin C Serum

Look for 10-20% concentration, dark glass packaging to prevent oxidation, pH of 3.5 or lower, and additional ingredients like vitamin E and ferulic acid.

My Top Vitamin C Picks

For budget-conscious beauty lovers, The INKEY List offer an amazing entry point. If you're after something more luxurious, SkinCeuticals CE Ferulic is considered the gold standard. For those with sensitive skin, La Roche-Posay Pure Vitamin C Face Serum is gentle yet effective.

Common Vitamin C Questions Answered

Can I use vitamin C with retinol?

Yes! In fact, they work brilliantly together. Just use vitamin C in the morning and retinol at night.

How long does it take to see results?

Most people notice a brighter complexion within 2-4 weeks of consistent use.

Does vitamin C make skin more sensitive to the sun?

No, vitamin C doesn't increase sun sensitivity. However, it's still essential to wear sunscreen daily!

Can I use vitamin C if I have oily skin?

Absolutely! Vitamin C helps regulate oil production.

What if my vitamin C serum turns brown?

This means it has oxidized and is no longer effective. Time to replace it!

Final Thoughts

Vitamin C truly is a transformative ingredient that belongs in everyone's skincare routine. Whether you're 25 or 55, adding a quality vitamin C serum can help you achieve that coveted glow.

Kisses Nicola xxx

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