What skin types is Vitamin C good for?

Vitamin C is best suited for Normal, Oily, Combination, Dry skin types.

What can you mix with Vitamin C?

Vitamin C works well with Ferulic Acid, Vitamin E, Hyaluronic Acid, Niacinamide. These combinations are generally safe and can enhance results.

What should you not mix with Vitamin C?

Avoid using Vitamin C at the same time as Retinol, AHAs, BHAs, Benzoyl Peroxide. These combinations can cause irritation or reduce effectiveness.

Is Vitamin C safe to use every day?

Vitamin C can generally be used in the evening. Recommended concentration: 10–20% L-Ascorbic Acid; 5% can be effective in stable derivative forms.

Vitamin C

Ascorbic Acid

Also known as: L-Ascorbic Acid · LAA · Ascorbic Acid

BrighteningAntioxidantAnti-aging

“A potent antioxidant that brightens, protects, and boosts collagen.”

Skin types

Normal, Oily

Pore-clogging

Non-comedogenic

Use when

Evening

Concentration

10–20%

What it does

L-Ascorbic acid is the most bioavailable and well-researched form of vitamin C. It neutralises free radicals from UV and pollution, inhibits the enzyme tyrosinase to reduce melanin production, and directly stimulates collagen synthesis. However, it is inherently unstable and requires careful formulation (low pH, anhydrous base, or combined with ferulic acid) to remain effective.

Benefits

Neutralises environmental free radical damage from UV and pollution
Inhibits melanin production to fade dark spots and even skin tone
Directly stimulates collagen and elastin synthesis
Brightens dull complexion with consistent use
Enhances SPF efficacy when used underneath sunscreen

How to layer

🌙 Evening routine

Cleanser

Toner

Serum

Moisturiser

Face Oil

After toning, before moisturiser

Good for

Normal skinOily skinCombination skinDry skin

Works well with

Ferulic Acid ›Vitamin E ›Hyaluronic Acid ›Niacinamide ›

Avoid mixing with

Retinol ›AHAsBHAsBenzoyl Peroxide ›

Heads up

⚠Very unstable — oxidises quickly; look for opaque, airtight packaging
⚠Can cause tingling or irritation at higher concentrations, especially on sensitive skin
⚠Low pH formulations may be too acidic for sensitive skin
⚠Oxidised (orange/brown) vitamin C is ineffective and potentially irritating

How to use

Apply in the morning after cleansing, before SPF. Allow to absorb for a few minutes before layering. Ideally pair with ferulic acid for enhanced stability and efficacy.

Typical concentration: 10–20% L-Ascorbic Acid; 5% can be effective in stable derivative forms