Vitamin C

What it does

Antioxidant that brightens and supports collagen synthesis.

Commonly found in: morning serums

• Oily skin — Brightens and reduces post-acne marks.
• Dry skin — Can sting — pair with moisturizer.
• Acne-prone skin — Helps post-inflammatory hyperpigmentation.

• Sensitive skin — Often irritating; consider derivatives.

Common conflicts & pairings

Click any pairing to see the full compatibility report.

• No label conflict found
  Vitamin C + Niacinamide — The 'pure Vitamin C neutralizes niacinamide' myth comes from 1960s-era lab conditions at high heat. In modern cosmetic formulations at skin pH, Vitamin C and niacinamide coexist perfectly. Many professional serums deliberately combine both.
• No label conflict found
  Vitamin C + Sunscreen (SPF) — Vitamin C is the most photoprotection-amplifying antioxidant in skincare. Layering it under SPF boosts UV defense and helps prevent photo-aging. It's the gold-standard morning combo.