Vitamin C (Ascorbic Acid) – Benefits, Side Effects & Uses
Vitamin C is a brightening antioxidant that supports collagen production and helps protect skin from environmental stressors such as UV damage and pollution (PubMed).
What is Vitamin C?
Vitamin C (ascorbic acid) is a water-soluble antioxidant naturally found in the skin. Topical application can help reduce free radical damage, support collagen synthesis, and improve skin tone (DermNet NZ).
Key Benefits
- Brightens and evens tone (PubMed)
- Supports collagen signalling for firmer skin
- Protects against free radical and environmental damage
- Helps fade dark spots and hyperpigmentation over time
Who Should Use It?
- Dull or uneven skin tone
- Hyperpigmentation concerns
- Normal to oily skin types (L-ascorbic acid preferred)
Who Should Avoid It?
- Very sensitive skin (consider derivatives like magnesium ascorbyl phosphate)
- Those irritated by low pH formulas
How to Use It in a Routine
- Apply in the morning before moisturizer and sunscreen (PubMed)
- Pairs well with SPF to enhance photoprotection
- Avoid layering directly with strong exfoliants to reduce irritation
Verdict
Vitamin C is a powerful daytime antioxidant. Start with lower concentrations if you have sensitive skin, or switch to gentler derivatives. Consistent use with SPF yields the best results.
👉 Looking for a beginner-friendly option? Try our Nature’s Vitamin C – Lemon, Orange & Tangerine Seed Facial Oil 30ml.
FAQs
Is Vitamin C safe for sensitive skin?
Many find it tolerable; patch test if unsure (DermNet NZ).
Can I combine Vitamin C with other actives?
Yes, often with pacing. Avoid over-exfoliation to reduce irritation.
How long until I see results?
Typically 4–8 weeks of consistent use; always protect with SPF (PubMed).
Related Guides
- Can You Use Vitamin C and Sunscreen Together?
- How to Store Vitamin C Serum
- Niacinamide vs Vitamin C – Can You Use Them Together?
- Vitamin C vs Ferulic Acid – Do You Need Both?
- Vitamin C vs Retinol – Morning Brightening or Night Renewal?